Home / 20,709,001.60-31,063,502.40-7,077,539.95

Finding the Fourth Proportional to 20,709,001.60, 31,063,502.40 and 7,077,539.95

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Solution

The fourth proportional to 20,709,001.60, 31,063,502.40 and 7,077,539.95 is: 10,616,309.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,709,001.60 : 31,063,502.40 = 7,077,539.95 : x
  2. Step 2: Convert to fraction form
    20,709,001.60/31,063,502.40 = 7,077,539.95/x
  3. Step 3: Cross multiply
    20,709,001.60x = 31,063,502.40 × 7,077,539.95
  4. Step 4: Simplify right side
    20,709,001.60x = 219,853,179,222,920.88
  5. Step 5: Solve for x
    x = 219,853,179,222,920.88/20,709,001.60
  6. Step 6: Final answer
    x = 10,616,309.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.