Home / 19,566,708.20-29,350,062.30-12,291,871.40

Finding the Fourth Proportional to 19,566,708.20, 29,350,062.30 and 12,291,871.40

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Solution

The fourth proportional to 19,566,708.20, 29,350,062.30 and 12,291,871.40 is: 18,437,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,566,708.20 : 29,350,062.30 = 12,291,871.40 : x
  2. Step 2: Convert to fraction form
    19,566,708.20/29,350,062.30 = 12,291,871.40/x
  3. Step 3: Cross multiply
    19,566,708.20x = 29,350,062.30 × 12,291,871.40
  4. Step 4: Simplify right side
    19,566,708.20x = 360,767,191,373,588.25
  5. Step 5: Solve for x
    x = 360,767,191,373,588.25/19,566,708.20
  6. Step 6: Final answer
    x = 18,437,807.10

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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.