Home / 20,678,700.60-31,019,217.30-6,302,237.40

Finding the Fourth Proportional to 20,678,700.60, 31,019,217.30 and 6,302,237.40

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Solution

The fourth proportional to 20,678,700.60, 31,019,217.30 and 6,302,237.40 is: 9,453,711.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,678,700.60 : 31,019,217.30 = 6,302,237.40 : x
  2. Step 2: Convert to fraction form
    20,678,700.60/31,019,217.30 = 6,302,237.40/x
  3. Step 3: Cross multiply
    20,678,700.60x = 31,019,217.30 × 6,302,237.40
  4. Step 4: Simplify right side
    20,678,700.60x = 195,490,471,386,787.03
  5. Step 5: Solve for x
    x = 195,490,471,386,787.03/20,678,700.60
  6. Step 6: Final answer
    x = 9,453,711.58

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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.