Home / 47,893,510.80-71,840,266.20-13,815,968.40

Finding the Fourth Proportional to 47,893,510.80, 71,840,266.20 and 13,815,968.40

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Solution

The fourth proportional to 47,893,510.80, 71,840,266.20 and 13,815,968.40 is: 20,723,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,893,510.80 : 71,840,266.20 = 13,815,968.40 : x
  2. Step 2: Convert to fraction form
    47,893,510.80/71,840,266.20 = 13,815,968.40/x
  3. Step 3: Cross multiply
    47,893,510.80x = 71,840,266.20 × 13,815,968.40
  4. Step 4: Simplify right side
    47,893,510.80x = 992,542,847,666,788.12
  5. Step 5: Solve for x
    x = 992,542,847,666,788.12/47,893,510.80
  6. Step 6: Final answer
    x = 20,723,952.60

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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.