Home / 21,681,691.02-32,562,974.16-19,088,915.04

Finding the Fourth Proportional to 21,681,691.02, 32,562,974.16 and 19,088,915.04

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Solution

The fourth proportional to 21,681,691.02, 32,562,974.16 and 19,088,915.04 is: 28,668,974.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,681,691.02 : 32,562,974.16 = 19,088,915.04 : x
  2. Step 2: Convert to fraction form
    21,681,691.02/32,562,974.16 = 19,088,915.04/x
  3. Step 3: Cross multiply
    21,681,691.02x = 32,562,974.16 × 19,088,915.04
  4. Step 4: Simplify right side
    21,681,691.02x = 621,591,847,189,955.38
  5. Step 5: Solve for x
    x = 621,591,847,189,955.38/21,681,691.02
  6. Step 6: Final answer
    x = 28,668,974.51

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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.