Home / 8,345,129.60-12,532,900.80-7,300,035.20

Finding the Fourth Proportional to 8,345,129.60, 12,532,900.80 and 7,300,035.20

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Solution

The fourth proportional to 8,345,129.60, 12,532,900.80 and 7,300,035.20 is: 10,963,354.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345,129.60 : 12,532,900.80 = 7,300,035.20 : x
  2. Step 2: Convert to fraction form
    8,345,129.60/12,532,900.80 = 7,300,035.20/x
  3. Step 3: Cross multiply
    8,345,129.60x = 12,532,900.80 × 7,300,035.20
  4. Step 4: Simplify right side
    8,345,129.60x = 91,490,616,998,108.17
  5. Step 5: Solve for x
    x = 91,490,616,998,108.17/8,345,129.60
  6. Step 6: Final answer
    x = 10,963,354.84

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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.