Home / 8,503,312.80-12,754,969.20-5,314,666.80

Finding the Fourth Proportional to 8,503,312.80, 12,754,969.20 and 5,314,666.80

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Solution

The fourth proportional to 8,503,312.80, 12,754,969.20 and 5,314,666.80 is: 7,972,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503,312.80 : 12,754,969.20 = 5,314,666.80 : x
  2. Step 2: Convert to fraction form
    8,503,312.80/12,754,969.20 = 5,314,666.80/x
  3. Step 3: Cross multiply
    8,503,312.80x = 12,754,969.20 × 5,314,666.80
  4. Step 4: Simplify right side
    8,503,312.80x = 67,788,411,342,262.55
  5. Step 5: Solve for x
    x = 67,788,411,342,262.55/8,503,312.80
  6. Step 6: Final answer
    x = 7,972,000.20

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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.