Home / 12,387,337.40-18,581,006.10-3,289,417.40

Finding the Fourth Proportional to 12,387,337.40, 18,581,006.10 and 3,289,417.40

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Solution

The fourth proportional to 12,387,337.40, 18,581,006.10 and 3,289,417.40 is: 4,934,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,387,337.40 : 18,581,006.10 = 3,289,417.40 : x
  2. Step 2: Convert to fraction form
    12,387,337.40/18,581,006.10 = 3,289,417.40/x
  3. Step 3: Cross multiply
    12,387,337.40x = 18,581,006.10 × 3,289,417.40
  4. Step 4: Simplify right side
    12,387,337.40x = 61,120,684,774,846.14
  5. Step 5: Solve for x
    x = 61,120,684,774,846.14/12,387,337.40
  6. Step 6: Final answer
    x = 4,934,126.10

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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.