Home / 14,488,643.20-21,732,964.80-13,393,782.40

Finding the Fourth Proportional to 14,488,643.20, 21,732,964.80 and 13,393,782.40

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Solution

The fourth proportional to 14,488,643.20, 21,732,964.80 and 13,393,782.40 is: 20,090,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,488,643.20 : 21,732,964.80 = 13,393,782.40 : x
  2. Step 2: Convert to fraction form
    14,488,643.20/21,732,964.80 = 13,393,782.40/x
  3. Step 3: Cross multiply
    14,488,643.20x = 21,732,964.80 × 13,393,782.40
  4. Step 4: Simplify right side
    14,488,643.20x = 291,086,601,438,059.56
  5. Step 5: Solve for x
    x = 291,086,601,438,059.56/14,488,643.20
  6. Step 6: Final answer
    x = 20,090,673.60

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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.