Home / 28,679,409.89-42,988,482.40-16,356,843.14

Finding the Fourth Proportional to 28,679,409.89, 42,988,482.40 and 16,356,843.14

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Solution

The fourth proportional to 28,679,409.89, 42,988,482.40 and 16,356,843.14 is: 24,517,793.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,679,409.89 : 42,988,482.40 = 16,356,843.14 : x
  2. Step 2: Convert to fraction form
    28,679,409.89/42,988,482.40 = 16,356,843.14/x
  3. Step 3: Cross multiply
    28,679,409.89x = 42,988,482.40 × 16,356,843.14
  4. Step 4: Simplify right side
    28,679,409.89x = 703,155,863,348,823
  5. Step 5: Solve for x
    x = 703,155,863,348,823/28,679,409.89
  6. Step 6: Final answer
    x = 24,517,793.98

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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.