Home / 7,280,980.60-10,921,470.90-7,186,502.20

Finding the Fourth Proportional to 7,280,980.60, 10,921,470.90 and 7,186,502.20

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Solution

The fourth proportional to 7,280,980.60, 10,921,470.90 and 7,186,502.20 is: 10,779,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,980.60 : 10,921,470.90 = 7,186,502.20 : x
  2. Step 2: Convert to fraction form
    7,280,980.60/10,921,470.90 = 7,186,502.20/x
  3. Step 3: Cross multiply
    7,280,980.60x = 10,921,470.90 × 7,186,502.20
  4. Step 4: Simplify right side
    7,280,980.60x = 78,487,174,650,085.98
  5. Step 5: Solve for x
    x = 78,487,174,650,085.98/7,280,980.60
  6. Step 6: Final answer
    x = 10,779,753.30

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1.5x scale

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.