Home / 43,656,102.90-65,472,984.45-12,943,500.57

Finding the Fourth Proportional to 43,656,102.90, 65,472,984.45 and 12,943,500.57

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Solution

The fourth proportional to 43,656,102.90, 65,472,984.45 and 12,943,500.57 is: 19,411,939.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,656,102.90 : 65,472,984.45 = 12,943,500.57 : x
  2. Step 2: Convert to fraction form
    43,656,102.90/65,472,984.45 = 12,943,500.57/x
  3. Step 3: Cross multiply
    43,656,102.90x = 65,472,984.45 × 12,943,500.57
  4. Step 4: Simplify right side
    43,656,102.90x = 847,449,611,548,176.25
  5. Step 5: Solve for x
    x = 847,449,611,548,176.25/43,656,102.90
  6. Step 6: Final answer
    x = 19,411,939.12

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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.