Home / 20,005,566.40-27,607,709.65-10,838,209.15

Finding the Fourth Proportional to 20,005,566.40, 27,607,709.65 and 10,838,209.15

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Solution

The fourth proportional to 20,005,566.40, 27,607,709.65 and 10,838,209.15 is: 14,956,743.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005,566.40 : 27,607,709.65 = 10,838,209.15 : x
  2. Step 2: Convert to fraction form
    20,005,566.40/27,607,709.65 = 10,838,209.15/x
  3. Step 3: Cross multiply
    20,005,566.40x = 27,607,709.65 × 10,838,209.15
  4. Step 4: Simplify right side
    20,005,566.40x = 299,218,131,381,097.06
  5. Step 5: Solve for x
    x = 299,218,131,381,097.06/20,005,566.40
  6. Step 6: Final answer
    x = 14,956,743.81

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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.