Home / 19,402,400.80-29,166,586.80-13,761,690.40

Finding the Fourth Proportional to 19,402,400.80, 29,166,586.80 and 13,761,690.40

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Solution

The fourth proportional to 19,402,400.80, 29,166,586.80 and 13,761,690.40 is: 20,687,209.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,402,400.80 : 29,166,586.80 = 13,761,690.40 : x
  2. Step 2: Convert to fraction form
    19,402,400.80/29,166,586.80 = 13,761,690.40/x
  3. Step 3: Cross multiply
    19,402,400.80x = 29,166,586.80 × 13,761,690.40
  4. Step 4: Simplify right side
    19,402,400.80x = 401,381,537,566,326.75
  5. Step 5: Solve for x
    x = 401,381,537,566,326.75/19,402,400.80
  6. Step 6: Final answer
    x = 20,687,209.88

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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.