Home / 27,866,689.08-38,456,506.20-15,308,273.16

Finding the Fourth Proportional to 27,866,689.08, 38,456,506.20 and 15,308,273.16

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Solution

The fourth proportional to 27,866,689.08, 38,456,506.20 and 15,308,273.16 is: 21,125,678.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,866,689.08 : 38,456,506.20 = 15,308,273.16 : x
  2. Step 2: Convert to fraction form
    27,866,689.08/38,456,506.20 = 15,308,273.16/x
  3. Step 3: Cross multiply
    27,866,689.08x = 38,456,506.20 × 15,308,273.16
  4. Step 4: Simplify right side
    27,866,689.08x = 588,702,701,688,833.62
  5. Step 5: Solve for x
    x = 588,702,701,688,833.62/27,866,689.08
  6. Step 6: Final answer
    x = 21,125,678.05

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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.