Home / 28,023,687.60-42,035,531.40-12,877,619.10

Finding the Fourth Proportional to 28,023,687.60, 42,035,531.40 and 12,877,619.10

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Solution

The fourth proportional to 28,023,687.60, 42,035,531.40 and 12,877,619.10 is: 19,316,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023,687.60 : 42,035,531.40 = 12,877,619.10 : x
  2. Step 2: Convert to fraction form
    28,023,687.60/42,035,531.40 = 12,877,619.10/x
  3. Step 3: Cross multiply
    28,023,687.60x = 42,035,531.40 × 12,877,619.10
  4. Step 4: Simplify right side
    28,023,687.60x = 541,317,562,035,289.69
  5. Step 5: Solve for x
    x = 541,317,562,035,289.69/28,023,687.60
  6. Step 6: Final answer
    x = 19,316,428.65

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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.