Home / 28,237,843.24-42,374,679.47-12,063,916.18

Finding the Fourth Proportional to 28,237,843.24, 42,374,679.47 and 12,063,916.18

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Solution

The fourth proportional to 28,237,843.24, 42,374,679.47 and 12,063,916.18 is: 18,103,527.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,237,843.24 : 42,374,679.47 = 12,063,916.18 : x
  2. Step 2: Convert to fraction form
    28,237,843.24/42,374,679.47 = 12,063,916.18/x
  3. Step 3: Cross multiply
    28,237,843.24x = 42,374,679.47 × 12,063,916.18
  4. Step 4: Simplify right side
    28,237,843.24x = 511,204,581,280,446.81
  5. Step 5: Solve for x
    x = 511,204,581,280,446.81/28,237,843.24
  6. Step 6: Final answer
    x = 18,103,527.84

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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.