Home / 12,743,167.04-19,117,518.48-4,656,129.70

Finding the Fourth Proportional to 12,743,167.04, 19,117,518.48 and 4,656,129.70

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Solution

The fourth proportional to 12,743,167.04, 19,117,518.48 and 4,656,129.70 is: 6,985,205.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743,167.04 : 19,117,518.48 = 4,656,129.70 : x
  2. Step 2: Convert to fraction form
    12,743,167.04/19,117,518.48 = 4,656,129.70/x
  3. Step 3: Cross multiply
    12,743,167.04x = 19,117,518.48 × 4,656,129.70
  4. Step 4: Simplify right side
    12,743,167.04x = 89,013,645,585,026.86
  5. Step 5: Solve for x
    x = 89,013,645,585,026.86/12,743,167.04
  6. Step 6: Final answer
    x = 6,985,205.90

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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.