Home / 8,492,595.20-12,738,892.80-5,125,068.80

Finding the Fourth Proportional to 8,492,595.20, 12,738,892.80 and 5,125,068.80

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Solution

The fourth proportional to 8,492,595.20, 12,738,892.80 and 5,125,068.80 is: 7,687,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492,595.20 : 12,738,892.80 = 5,125,068.80 : x
  2. Step 2: Convert to fraction form
    8,492,595.20/12,738,892.80 = 5,125,068.80/x
  3. Step 3: Cross multiply
    8,492,595.20x = 12,738,892.80 × 5,125,068.80
  4. Step 4: Simplify right side
    8,492,595.20x = 65,287,702,035,824.64
  5. Step 5: Solve for x
    x = 65,287,702,035,824.64/8,492,595.20
  6. Step 6: Final answer
    x = 7,687,603.20

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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.