Home / 34,218,561-47,209,989.06-19,523,670.60

Finding the Fourth Proportional to 34,218,561, 47,209,989.06 and 19,523,670.60

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Solution

The fourth proportional to 34,218,561, 47,209,989.06 and 19,523,670.60 is: 26,936,032.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,218,561 : 47,209,989.06 = 19,523,670.60 : x
  2. Step 2: Convert to fraction form
    34,218,561/47,209,989.06 = 19,523,670.60/x
  3. Step 3: Cross multiply
    34,218,561x = 47,209,989.06 × 19,523,670.60
  4. Step 4: Simplify right side
    34,218,561x = 921,712,275,437,043.75
  5. Step 5: Solve for x
    x = 921,712,275,437,043.75/34,218,561
  6. Step 6: Final answer
    x = 26,936,032.62

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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.