Home / 27,716,545.20-38,249,079.80-15,327,476.92

Finding the Fourth Proportional to 27,716,545.20, 38,249,079.80 and 15,327,476.92

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Solution

The fourth proportional to 27,716,545.20, 38,249,079.80 and 15,327,476.92 is: 21,152,054.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,716,545.20 : 38,249,079.80 = 15,327,476.92 : x
  2. Step 2: Convert to fraction form
    27,716,545.20/38,249,079.80 = 15,327,476.92/x
  3. Step 3: Cross multiply
    27,716,545.20x = 38,249,079.80 × 15,327,476.92
  4. Step 4: Simplify right side
    27,716,545.20x = 586,261,887,845,738.12
  5. Step 5: Solve for x
    x = 586,261,887,845,738.12/27,716,545.20
  6. Step 6: Final answer
    x = 21,152,054.98

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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.