Home / 28,781,607.60-43,101,552.60-19,144,810.80

Finding the Fourth Proportional to 28,781,607.60, 43,101,552.60 and 19,144,810.80

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Solution

The fourth proportional to 28,781,607.60, 43,101,552.60 and 19,144,810.80 is: 28,670,082.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,781,607.60 : 43,101,552.60 = 19,144,810.80 : x
  2. Step 2: Convert to fraction form
    28,781,607.60/43,101,552.60 = 19,144,810.80/x
  3. Step 3: Cross multiply
    28,781,607.60x = 43,101,552.60 × 19,144,810.80
  4. Step 4: Simplify right side
    28,781,607.60x = 825,171,069,713,248.12
  5. Step 5: Solve for x
    x = 825,171,069,713,248.12/28,781,607.60
  6. Step 6: Final answer
    x = 28,670,082.69

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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.