Home / 12,291,031.40-18,436,547.10-3,192,382.40

Finding the Fourth Proportional to 12,291,031.40, 18,436,547.10 and 3,192,382.40

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Solution

The fourth proportional to 12,291,031.40, 18,436,547.10 and 3,192,382.40 is: 4,788,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,031.40 : 18,436,547.10 = 3,192,382.40 : x
  2. Step 2: Convert to fraction form
    12,291,031.40/18,436,547.10 = 3,192,382.40/x
  3. Step 3: Cross multiply
    12,291,031.40x = 18,436,547.10 × 3,192,382.40
  4. Step 4: Simplify right side
    12,291,031.40x = 58,856,508,478,811.05
  5. Step 5: Solve for x
    x = 58,856,508,478,811.05/12,291,031.40
  6. Step 6: Final answer
    x = 4,788,573.60

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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.