Home / 20,712,516.39-31,059,769.66-5,937,357.48

Finding the Fourth Proportional to 20,712,516.39, 31,059,769.66 and 5,937,357.48

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Solution

The fourth proportional to 20,712,516.39, 31,059,769.66 and 5,937,357.48 is: 8,903,454.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,712,516.39 : 31,059,769.66 = 5,937,357.48 : x
  2. Step 2: Convert to fraction form
    20,712,516.39/31,059,769.66 = 5,937,357.48/x
  3. Step 3: Cross multiply
    20,712,516.39x = 31,059,769.66 × 5,937,357.48
  4. Step 4: Simplify right side
    20,712,516.39x = 184,412,955,717,878.06
  5. Step 5: Solve for x
    x = 184,412,955,717,878.06/20,712,516.39
  6. Step 6: Final answer
    x = 8,903,454.91

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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.