Home / 28,232,136.30-42,347,329.65-8,037,378.30

Finding the Fourth Proportional to 28,232,136.30, 42,347,329.65 and 8,037,378.30

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Solution

The fourth proportional to 28,232,136.30, 42,347,329.65 and 8,037,378.30 is: 12,055,818.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,232,136.30 : 42,347,329.65 = 8,037,378.30 : x
  2. Step 2: Convert to fraction form
    28,232,136.30/42,347,329.65 = 8,037,378.30/x
  3. Step 3: Cross multiply
    28,232,136.30x = 42,347,329.65 × 8,037,378.30
  4. Step 4: Simplify right side
    28,232,136.30x = 340,361,508,391,856.56
  5. Step 5: Solve for x
    x = 340,361,508,391,856.56/28,232,136.30
  6. Step 6: Final answer
    x = 12,055,818.40

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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.