Home / 27,884,935.68-38,484,819.72-15,661,792.32

Finding the Fourth Proportional to 27,884,935.68, 38,484,819.72 and 15,661,792.32

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Solution

The fourth proportional to 27,884,935.68, 38,484,819.72 and 15,661,792.32 is: 21,615,300.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,884,935.68 : 38,484,819.72 = 15,661,792.32 : x
  2. Step 2: Convert to fraction form
    27,884,935.68/38,484,819.72 = 15,661,792.32/x
  3. Step 3: Cross multiply
    27,884,935.68x = 38,484,819.72 × 15,661,792.32
  4. Step 4: Simplify right side
    27,884,935.68x = 602,741,253,927,280.50
  5. Step 5: Solve for x
    x = 602,741,253,927,280.50/27,884,935.68
  6. Step 6: Final answer
    x = 21,615,300.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.