Home / 19,182,648.20-28,773,972.30-11,605,713.80

Finding the Fourth Proportional to 19,182,648.20, 28,773,972.30 and 11,605,713.80

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Solution

The fourth proportional to 19,182,648.20, 28,773,972.30 and 11,605,713.80 is: 17,408,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,182,648.20 : 28,773,972.30 = 11,605,713.80 : x
  2. Step 2: Convert to fraction form
    19,182,648.20/28,773,972.30 = 11,605,713.80/x
  3. Step 3: Cross multiply
    19,182,648.20x = 28,773,972.30 × 11,605,713.80
  4. Step 4: Simplify right side
    19,182,648.20x = 333,942,487,402,927.75
  5. Step 5: Solve for x
    x = 333,942,487,402,927.75/19,182,648.20
  6. Step 6: Final answer
    x = 17,408,570.70

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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.