Home / 27,687,835.60-38,208,988.61-15,297,890.11

Finding the Fourth Proportional to 27,687,835.60, 38,208,988.61 and 15,297,890.11

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Solution

The fourth proportional to 27,687,835.60, 38,208,988.61 and 15,297,890.11 is: 21,110,964.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,687,835.60 : 38,208,988.61 = 15,297,890.11 : x
  2. Step 2: Convert to fraction form
    27,687,835.60/38,208,988.61 = 15,297,890.11/x
  3. Step 3: Cross multiply
    27,687,835.60x = 38,208,988.61 × 15,297,890.11
  4. Step 4: Simplify right side
    27,687,835.60x = 584,516,908,855,376.88
  5. Step 5: Solve for x
    x = 584,516,908,855,376.88/27,687,835.60
  6. Step 6: Final answer
    x = 21,110,964.30

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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.