Home / 26,607,639.60-39,911,459.40-8,656,743.60

Finding the Fourth Proportional to 26,607,639.60, 39,911,459.40 and 8,656,743.60

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Solution

The fourth proportional to 26,607,639.60, 39,911,459.40 and 8,656,743.60 is: 12,985,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,607,639.60 : 39,911,459.40 = 8,656,743.60 : x
  2. Step 2: Convert to fraction form
    26,607,639.60/39,911,459.40 = 8,656,743.60/x
  3. Step 3: Cross multiply
    26,607,639.60x = 39,911,459.40 × 8,656,743.60
  4. Step 4: Simplify right side
    26,607,639.60x = 345,503,270,727,609.81
  5. Step 5: Solve for x
    x = 345,503,270,727,609.81/26,607,639.60
  6. Step 6: Final answer
    x = 12,985,115.40

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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.