Home / 10,071,417.56-15,111,591.60-5,277,967.16

Finding the Fourth Proportional to 10,071,417.56, 15,111,591.60 and 5,277,967.16

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Solution

The fourth proportional to 10,071,417.56, 15,111,591.60 and 5,277,967.16 is: 7,919,290.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071,417.56 : 15,111,591.60 = 5,277,967.16 : x
  2. Step 2: Convert to fraction form
    10,071,417.56/15,111,591.60 = 5,277,967.16/x
  3. Step 3: Cross multiply
    10,071,417.56x = 15,111,591.60 × 5,277,967.16
  4. Step 4: Simplify right side
    10,071,417.56x = 79,758,484,200,131.86
  5. Step 5: Solve for x
    x = 79,758,484,200,131.86/10,071,417.56
  6. Step 6: Final answer
    x = 7,919,290.78

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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.