Home / 12,367,071.90-18,545,359.05-5,979,282.30

Finding the Fourth Proportional to 12,367,071.90, 18,545,359.05 and 5,979,282.30

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Solution

The fourth proportional to 12,367,071.90, 18,545,359.05 and 5,979,282.30 is: 8,966,385.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367,071.90 : 18,545,359.05 = 5,979,282.30 : x
  2. Step 2: Convert to fraction form
    12,367,071.90/18,545,359.05 = 5,979,282.30/x
  3. Step 3: Cross multiply
    12,367,071.90x = 18,545,359.05 × 5,979,282.30
  4. Step 4: Simplify right side
    12,367,071.90x = 110,887,937,114,809.81
  5. Step 5: Solve for x
    x = 110,887,937,114,809.81/12,367,071.90
  6. Step 6: Final answer
    x = 8,966,385.74

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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.