Home / 28,331,386.05-42,497,079.08-22,166,670.45

Finding the Fourth Proportional to 28,331,386.05, 42,497,079.08 and 22,166,670.45

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Solution

The fourth proportional to 28,331,386.05, 42,497,079.08 and 22,166,670.45 is: 33,250,005.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331,386.05 : 42,497,079.08 = 22,166,670.45 : x
  2. Step 2: Convert to fraction form
    28,331,386.05/42,497,079.08 = 22,166,670.45/x
  3. Step 3: Cross multiply
    28,331,386.05x = 42,497,079.08 × 22,166,670.45
  4. Step 4: Simplify right side
    28,331,386.05x = 942,018,746,943,115.88
  5. Step 5: Solve for x
    x = 942,018,746,943,115.88/28,331,386.05
  6. Step 6: Final answer
    x = 33,250,005.68

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.