Home / 27,600,298.70-38,088,561.93-15,838,630.40

Finding the Fourth Proportional to 27,600,298.70, 38,088,561.93 and 15,838,630.40

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Solution

The fourth proportional to 27,600,298.70, 38,088,561.93 and 15,838,630.40 is: 21,857,395.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,600,298.70 : 38,088,561.93 = 15,838,630.40 : x
  2. Step 2: Convert to fraction form
    27,600,298.70/38,088,561.93 = 15,838,630.40/x
  3. Step 3: Cross multiply
    27,600,298.70x = 38,088,561.93 × 15,838,630.40
  4. Step 4: Simplify right side
    27,600,298.70x = 603,270,654,876,780.62
  5. Step 5: Solve for x
    x = 603,270,654,876,780.62/27,600,298.70
  6. Step 6: Final answer
    x = 21,857,395.87

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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.