Home / 12,309,080.13-18,447,115.16-9,579,922.47

Finding the Fourth Proportional to 12,309,080.13, 18,447,115.16 and 9,579,922.47

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Solution

The fourth proportional to 12,309,080.13, 18,447,115.16 and 9,579,922.47 is: 14,357,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,309,080.13 : 18,447,115.16 = 9,579,922.47 : x
  2. Step 2: Convert to fraction form
    12,309,080.13/18,447,115.16 = 9,579,922.47/x
  3. Step 3: Cross multiply
    12,309,080.13x = 18,447,115.16 × 9,579,922.47
  4. Step 4: Simplify right side
    12,309,080.13x = 176,721,933,051,911.47
  5. Step 5: Solve for x
    x = 176,721,933,051,911.47/12,309,080.13
  6. Step 6: Final answer
    x = 14,357,038.15

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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.