Home / 20,130,663.60-27,781,102.14-11,429,645.76

Finding the Fourth Proportional to 20,130,663.60, 27,781,102.14 and 11,429,645.76

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Solution

The fourth proportional to 20,130,663.60, 27,781,102.14 and 11,429,645.76 is: 15,773,357.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,130,663.60 : 27,781,102.14 = 11,429,645.76 : x
  2. Step 2: Convert to fraction form
    20,130,663.60/27,781,102.14 = 11,429,645.76/x
  3. Step 3: Cross multiply
    20,130,663.60x = 27,781,102.14 × 11,429,645.76
  4. Step 4: Simplify right side
    20,130,663.60x = 317,528,156,282,577.94
  5. Step 5: Solve for x
    x = 317,528,156,282,577.94/20,130,663.60
  6. Step 6: Final answer
    x = 15,773,357.63

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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.