Home / 12,743,167.55-19,117,519.23-4,656,130.20

Finding the Fourth Proportional to 12,743,167.55, 19,117,519.23 and 4,656,130.20

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Solution

The fourth proportional to 12,743,167.55, 19,117,519.23 and 4,656,130.20 is: 6,985,206.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743,167.55 : 19,117,519.23 = 4,656,130.20 : x
  2. Step 2: Convert to fraction form
    12,743,167.55/19,117,519.23 = 4,656,130.20/x
  3. Step 3: Cross multiply
    12,743,167.55x = 19,117,519.23 × 4,656,130.20
  4. Step 4: Simplify right side
    12,743,167.55x = 89,013,658,635,883.75
  5. Step 5: Solve for x
    x = 89,013,658,635,883.75/12,743,167.55
  6. Step 6: Final answer
    x = 6,985,206.65

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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.