Home / 19,748,077.60-29,616,310.32-8,388,436

Finding the Fourth Proportional to 19,748,077.60, 29,616,310.32 and 8,388,436

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Solution

The fourth proportional to 19,748,077.60, 29,616,310.32 and 8,388,436 is: 12,580,187.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,748,077.60 : 29,616,310.32 = 8,388,436 : x
  2. Step 2: Convert to fraction form
    19,748,077.60/29,616,310.32 = 8,388,436/x
  3. Step 3: Cross multiply
    19,748,077.60x = 29,616,310.32 × 8,388,436
  4. Step 4: Simplify right side
    19,748,077.60x = 248,434,523,675,459.53
  5. Step 5: Solve for x
    x = 248,434,523,675,459.53/19,748,077.60
  6. Step 6: Final answer
    x = 12,580,187.74

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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.