Home / 10,368,865.05-15,553,297.58-9,780,999.45

Finding the Fourth Proportional to 10,368,865.05, 15,553,297.58 and 9,780,999.45

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Solution

The fourth proportional to 10,368,865.05, 15,553,297.58 and 9,780,999.45 is: 14,671,499.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,865.05 : 15,553,297.58 = 9,780,999.45 : x
  2. Step 2: Convert to fraction form
    10,368,865.05/15,553,297.58 = 9,780,999.45/x
  3. Step 3: Cross multiply
    10,368,865.05x = 15,553,297.58 × 9,780,999.45
  4. Step 4: Simplify right side
    10,368,865.05x = 152,126,795,026,761.31
  5. Step 5: Solve for x
    x = 152,126,795,026,761.31/10,368,865.05
  6. Step 6: Final answer
    x = 14,671,499.18

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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.