Home / 39,827,979.36-59,746,589.28-13,912,256.16

Finding the Fourth Proportional to 39,827,979.36, 59,746,589.28 and 13,912,256.16

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Solution

The fourth proportional to 39,827,979.36, 59,746,589.28 and 13,912,256.16 is: 20,869,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,827,979.36 : 59,746,589.28 = 13,912,256.16 : x
  2. Step 2: Convert to fraction form
    39,827,979.36/59,746,589.28 = 13,912,256.16/x
  3. Step 3: Cross multiply
    39,827,979.36x = 59,746,589.28 × 13,912,256.16
  4. Step 4: Simplify right side
    39,827,979.36x = 831,209,854,749,670
  5. Step 5: Solve for x
    x = 831,209,854,749,670/39,827,979.36
  6. Step 6: Final answer
    x = 20,869,998.13

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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.