Home / 27,527,350.80-37,988,721.16-15,138,386.19

Finding the Fourth Proportional to 27,527,350.80, 37,988,721.16 and 15,138,386.19

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Solution

The fourth proportional to 27,527,350.80, 37,988,721.16 and 15,138,386.19 is: 20,891,510.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,527,350.80 : 37,988,721.16 = 15,138,386.19 : x
  2. Step 2: Convert to fraction form
    27,527,350.80/37,988,721.16 = 15,138,386.19/x
  3. Step 3: Cross multiply
    27,527,350.80x = 37,988,721.16 × 15,138,386.19
  4. Step 4: Simplify right side
    27,527,350.80x = 575,087,931,746,458.75
  5. Step 5: Solve for x
    x = 575,087,931,746,458.75/27,527,350.80
  6. Step 6: Final answer
    x = 20,891,510.26

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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.