Home / 9,180,980.10-13,771,470.15-8,658,432.90

Finding the Fourth Proportional to 9,180,980.10, 13,771,470.15 and 8,658,432.90

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Solution

The fourth proportional to 9,180,980.10, 13,771,470.15 and 8,658,432.90 is: 12,987,649.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180,980.10 : 13,771,470.15 = 8,658,432.90 : x
  2. Step 2: Convert to fraction form
    9,180,980.10/13,771,470.15 = 8,658,432.90/x
  3. Step 3: Cross multiply
    9,180,980.10x = 13,771,470.15 × 8,658,432.90
  4. Step 4: Simplify right side
    9,180,980.10x = 119,239,350,228,127.94
  5. Step 5: Solve for x
    x = 119,239,350,228,127.94/9,180,980.10
  6. Step 6: Final answer
    x = 12,987,649.35

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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.