Home / 19,875,817.59-27,428,670.95-11,174,061.71

Finding the Fourth Proportional to 19,875,817.59, 27,428,670.95 and 11,174,061.71

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Solution

The fourth proportional to 19,875,817.59, 27,428,670.95 and 11,174,061.71 is: 15,420,229.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875,817.59 : 27,428,670.95 = 11,174,061.71 : x
  2. Step 2: Convert to fraction form
    19,875,817.59/27,428,670.95 = 11,174,061.71/x
  3. Step 3: Cross multiply
    19,875,817.59x = 27,428,670.95 × 11,174,061.71
  4. Step 4: Simplify right side
    19,875,817.59x = 306,489,661,625,570.69
  5. Step 5: Solve for x
    x = 306,489,661,625,570.69/19,875,817.59
  6. Step 6: Final answer
    x = 15,420,229.14

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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.