Home / 21,053,862.30-31,580,793.45-5,907,793.80

Finding the Fourth Proportional to 21,053,862.30, 31,580,793.45 and 5,907,793.80

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Solution

The fourth proportional to 21,053,862.30, 31,580,793.45 and 5,907,793.80 is: 8,861,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,053,862.30 : 31,580,793.45 = 5,907,793.80 : x
  2. Step 2: Convert to fraction form
    21,053,862.30/31,580,793.45 = 5,907,793.80/x
  3. Step 3: Cross multiply
    21,053,862.30x = 31,580,793.45 × 5,907,793.80
  4. Step 4: Simplify right side
    21,053,862.30x = 186,572,815,742,990.59
  5. Step 5: Solve for x
    x = 186,572,815,742,990.59/21,053,862.30
  6. Step 6: Final answer
    x = 8,861,690.70

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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.