Home / 9,681,703.60-14,522,555.40-8,636,609.20

Finding the Fourth Proportional to 9,681,703.60, 14,522,555.40 and 8,636,609.20

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Solution

The fourth proportional to 9,681,703.60, 14,522,555.40 and 8,636,609.20 is: 12,954,913.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,681,703.60 : 14,522,555.40 = 8,636,609.20 : x
  2. Step 2: Convert to fraction form
    9,681,703.60/14,522,555.40 = 8,636,609.20/x
  3. Step 3: Cross multiply
    9,681,703.60x = 14,522,555.40 × 8,636,609.20
  4. Step 4: Simplify right side
    9,681,703.60x = 125,425,635,575,149.67
  5. Step 5: Solve for x
    x = 125,425,635,575,149.67/9,681,703.60
  6. Step 6: Final answer
    x = 12,954,913.80

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Similar ratio
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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.