Home / 42,122,875-63,186,676.06-11,828,376.04

Finding the Fourth Proportional to 42,122,875, 63,186,676.06 and 11,828,376.04

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Solution

The fourth proportional to 42,122,875, 63,186,676.06 and 11,828,376.04 is: 17,743,227.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,122,875 : 63,186,676.06 = 11,828,376.04 : x
  2. Step 2: Convert to fraction form
    42,122,875/63,186,676.06 = 11,828,376.04/x
  3. Step 3: Cross multiply
    42,122,875x = 63,186,676.06 × 11,828,376.04
  4. Step 4: Simplify right side
    42,122,875x = 747,395,765,155,345.62
  5. Step 5: Solve for x
    x = 747,395,765,155,345.62/42,122,875
  6. Step 6: Final answer
    x = 17,743,227.76

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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.