Home / 21,693,925.92-32,542,780.02-7,116,474.72

Finding the Fourth Proportional to 21,693,925.92, 32,542,780.02 and 7,116,474.72

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Solution

The fourth proportional to 21,693,925.92, 32,542,780.02 and 7,116,474.72 is: 10,675,332.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,693,925.92 : 32,542,780.02 = 7,116,474.72 : x
  2. Step 2: Convert to fraction form
    21,693,925.92/32,542,780.02 = 7,116,474.72/x
  3. Step 3: Cross multiply
    21,693,925.92x = 32,542,780.02 × 7,116,474.72
  4. Step 4: Simplify right side
    21,693,925.92x = 231,589,871,330,851.09
  5. Step 5: Solve for x
    x = 231,589,871,330,851.09/21,693,925.92
  6. Step 6: Final answer
    x = 10,675,332.45

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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.