Home / 13,590,909.90-20,386,364.85-12,961,053.90

Finding the Fourth Proportional to 13,590,909.90, 20,386,364.85 and 12,961,053.90

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Solution

The fourth proportional to 13,590,909.90, 20,386,364.85 and 12,961,053.90 is: 19,441,580.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,909.90 : 20,386,364.85 = 12,961,053.90 : x
  2. Step 2: Convert to fraction form
    13,590,909.90/20,386,364.85 = 12,961,053.90/x
  3. Step 3: Cross multiply
    13,590,909.90x = 20,386,364.85 × 12,961,053.90
  4. Step 4: Simplify right side
    13,590,909.90x = 264,228,773,645,915.44
  5. Step 5: Solve for x
    x = 264,228,773,645,915.44/13,590,909.90
  6. Step 6: Final answer
    x = 19,441,580.85

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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.