Home / 8,503,311.80-12,754,967.70-5,314,665.80

Finding the Fourth Proportional to 8,503,311.80, 12,754,967.70 and 5,314,665.80

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Solution

The fourth proportional to 8,503,311.80, 12,754,967.70 and 5,314,665.80 is: 7,971,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503,311.80 : 12,754,967.70 = 5,314,665.80 : x
  2. Step 2: Convert to fraction form
    8,503,311.80/12,754,967.70 = 5,314,665.80/x
  3. Step 3: Cross multiply
    8,503,311.80x = 12,754,967.70 × 5,314,665.80
  4. Step 4: Simplify right side
    8,503,311.80x = 67,788,390,615,294.66
  5. Step 5: Solve for x
    x = 67,788,390,615,294.66/8,503,311.80
  6. Step 6: Final answer
    x = 7,971,998.70

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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.