Home / 28,237,842.99-42,374,679.10-12,063,915.92

Finding the Fourth Proportional to 28,237,842.99, 42,374,679.10 and 12,063,915.92

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Solution

The fourth proportional to 28,237,842.99, 42,374,679.10 and 12,063,915.92 is: 18,103,527.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,237,842.99 : 42,374,679.10 = 12,063,915.92 : x
  2. Step 2: Convert to fraction form
    28,237,842.99/42,374,679.10 = 12,063,915.92/x
  3. Step 3: Cross multiply
    28,237,842.99x = 42,374,679.10 × 12,063,915.92
  4. Step 4: Simplify right side
    28,237,842.99x = 511,204,565,875,158.12
  5. Step 5: Solve for x
    x = 511,204,565,875,158.12/28,237,842.99
  6. Step 6: Final answer
    x = 18,103,527.46

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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.