Home / 7,885,712.40-11,833,234.20-5,197,808.40

Finding the Fourth Proportional to 7,885,712.40, 11,833,234.20 and 5,197,808.40

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Solution

The fourth proportional to 7,885,712.40, 11,833,234.20 and 5,197,808.40 is: 7,799,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885,712.40 : 11,833,234.20 = 5,197,808.40 : x
  2. Step 2: Convert to fraction form
    7,885,712.40/11,833,234.20 = 5,197,808.40/x
  3. Step 3: Cross multiply
    7,885,712.40x = 11,833,234.20 × 5,197,808.40
  4. Step 4: Simplify right side
    7,885,712.40x = 61,506,884,123,927.28
  5. Step 5: Solve for x
    x = 61,506,884,123,927.28/7,885,712.40
  6. Step 6: Final answer
    x = 7,799,787.90

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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.