Home / 19,566,707.20-29,350,060.80-12,291,870.40

Finding the Fourth Proportional to 19,566,707.20, 29,350,060.80 and 12,291,870.40

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Solution

The fourth proportional to 19,566,707.20, 29,350,060.80 and 12,291,870.40 is: 18,437,805.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,566,707.20 : 29,350,060.80 = 12,291,870.40 : x
  2. Step 2: Convert to fraction form
    19,566,707.20/29,350,060.80 = 12,291,870.40/x
  3. Step 3: Cross multiply
    19,566,707.20x = 29,350,060.80 × 12,291,870.40
  4. Step 4: Simplify right side
    19,566,707.20x = 360,767,143,585,720.31
  5. Step 5: Solve for x
    x = 360,767,143,585,720.31/19,566,707.20
  6. Step 6: Final answer
    x = 18,437,805.60

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1.5x scale

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.