Home / 27,655,929.81-38,165,190.77-15,266,031.30

Finding the Fourth Proportional to 27,655,929.81, 38,165,190.77 and 15,266,031.30

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Solution

The fourth proportional to 27,655,929.81, 38,165,190.77 and 15,266,031.30 is: 21,067,127.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,655,929.81 : 38,165,190.77 = 15,266,031.30 : x
  2. Step 2: Convert to fraction form
    27,655,929.81/38,165,190.77 = 15,266,031.30/x
  3. Step 3: Cross multiply
    27,655,929.81x = 38,165,190.77 × 15,266,031.30
  4. Step 4: Simplify right side
    27,655,929.81x = 582,630,996,865,291.12
  5. Step 5: Solve for x
    x = 582,630,996,865,291.12/27,655,929.81
  6. Step 6: Final answer
    x = 21,067,127.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.