Home / 19,566,709.20-29,350,063.80-12,291,872.40

Finding the Fourth Proportional to 19,566,709.20, 29,350,063.80 and 12,291,872.40

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Solution

The fourth proportional to 19,566,709.20, 29,350,063.80 and 12,291,872.40 is: 18,437,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,566,709.20 : 29,350,063.80 = 12,291,872.40 : x
  2. Step 2: Convert to fraction form
    19,566,709.20/29,350,063.80 = 12,291,872.40/x
  3. Step 3: Cross multiply
    19,566,709.20x = 29,350,063.80 × 12,291,872.40
  4. Step 4: Simplify right side
    19,566,709.20x = 360,767,239,161,459.12
  5. Step 5: Solve for x
    x = 360,767,239,161,459.12/19,566,709.20
  6. Step 6: Final answer
    x = 18,437,808.60

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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.