Home / 8,047,509.60-12,071,264.40-7,165,711.20

Finding the Fourth Proportional to 8,047,509.60, 12,071,264.40 and 7,165,711.20

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Solution

The fourth proportional to 8,047,509.60, 12,071,264.40 and 7,165,711.20 is: 10,748,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,047,509.60 : 12,071,264.40 = 7,165,711.20 : x
  2. Step 2: Convert to fraction form
    8,047,509.60/12,071,264.40 = 7,165,711.20/x
  3. Step 3: Cross multiply
    8,047,509.60x = 12,071,264.40 × 7,165,711.20
  4. Step 4: Simplify right side
    8,047,509.60x = 86,499,194,509,241.28
  5. Step 5: Solve for x
    x = 86,499,194,509,241.28/8,047,509.60
  6. Step 6: Final answer
    x = 10,748,566.80

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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.