Home / 28,024,386.60-42,037,892.10-8,856,643.80

Finding the Fourth Proportional to 28,024,386.60, 42,037,892.10 and 8,856,643.80

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Solution

The fourth proportional to 28,024,386.60, 42,037,892.10 and 8,856,643.80 is: 13,285,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,024,386.60 : 42,037,892.10 = 8,856,643.80 : x
  2. Step 2: Convert to fraction form
    28,024,386.60/42,037,892.10 = 8,856,643.80/x
  3. Step 3: Cross multiply
    28,024,386.60x = 42,037,892.10 × 8,856,643.80
  4. Step 4: Simplify right side
    28,024,386.60x = 372,314,636,432,534
  5. Step 5: Solve for x
    x = 372,314,636,432,534/28,024,386.60
  6. Step 6: Final answer
    x = 13,285,380.40

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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.