Home / 12,929,869.50-19,394,901.45-5,739,470.34

Finding the Fourth Proportional to 12,929,869.50, 19,394,901.45 and 5,739,470.34

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Solution

The fourth proportional to 12,929,869.50, 19,394,901.45 and 5,739,470.34 is: 8,609,248.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929,869.50 : 19,394,901.45 = 5,739,470.34 : x
  2. Step 2: Convert to fraction form
    12,929,869.50/19,394,901.45 = 5,739,470.34/x
  3. Step 3: Cross multiply
    12,929,869.50x = 19,394,901.45 × 5,739,470.34
  4. Step 4: Simplify right side
    12,929,869.50x = 111,316,461,619,497.98
  5. Step 5: Solve for x
    x = 111,316,461,619,497.98/12,929,869.50
  6. Step 6: Final answer
    x = 8,609,248.66

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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.