Home / 28,891,725.04-39,870,326.16-15,838,746.88

Finding the Fourth Proportional to 28,891,725.04, 39,870,326.16 and 15,838,746.88

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Solution

The fourth proportional to 28,891,725.04, 39,870,326.16 and 15,838,746.88 is: 21,857,331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,891,725.04 : 39,870,326.16 = 15,838,746.88 : x
  2. Step 2: Convert to fraction form
    28,891,725.04/39,870,326.16 = 15,838,746.88/x
  3. Step 3: Cross multiply
    28,891,725.04x = 39,870,326.16 × 15,838,746.88
  4. Step 4: Simplify right side
    28,891,725.04x = 631,496,004,071,282.38
  5. Step 5: Solve for x
    x = 631,496,004,071,282.38/28,891,725.04
  6. Step 6: Final answer
    x = 21,857,331.23

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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.