Home / 19,182,647.20-28,773,970.80-11,605,712.80

Finding the Fourth Proportional to 19,182,647.20, 28,773,970.80 and 11,605,712.80

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Solution

The fourth proportional to 19,182,647.20, 28,773,970.80 and 11,605,712.80 is: 17,408,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,182,647.20 : 28,773,970.80 = 11,605,712.80 : x
  2. Step 2: Convert to fraction form
    19,182,647.20/28,773,970.80 = 11,605,712.80/x
  3. Step 3: Cross multiply
    19,182,647.20x = 28,773,970.80 × 11,605,712.80
  4. Step 4: Simplify right side
    19,182,647.20x = 333,942,441,220,386.25
  5. Step 5: Solve for x
    x = 333,942,441,220,386.25/19,182,647.20
  6. Step 6: Final answer
    x = 17,408,569.20

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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.