Home / 8,766,031.60-13,149,047.40-8,430,108.40

Finding the Fourth Proportional to 8,766,031.60, 13,149,047.40 and 8,430,108.40

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Solution

The fourth proportional to 8,766,031.60, 13,149,047.40 and 8,430,108.40 is: 12,645,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766,031.60 : 13,149,047.40 = 8,430,108.40 : x
  2. Step 2: Convert to fraction form
    8,766,031.60/13,149,047.40 = 8,430,108.40/x
  3. Step 3: Cross multiply
    8,766,031.60x = 13,149,047.40 × 8,430,108.40
  4. Step 4: Simplify right side
    8,766,031.60x = 110,847,894,938,738.17
  5. Step 5: Solve for x
    x = 110,847,894,938,738.17/8,766,031.60
  6. Step 6: Final answer
    x = 12,645,162.60

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Double scale
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Similar ratio
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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.