Home / 21,800,478.61-32,699,630.95-8,152,621.65

Finding the Fourth Proportional to 21,800,478.61, 32,699,630.95 and 8,152,621.65

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Solution

The fourth proportional to 21,800,478.61, 32,699,630.95 and 8,152,621.65 is: 12,228,525.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,800,478.61 : 32,699,630.95 = 8,152,621.65 : x
  2. Step 2: Convert to fraction form
    21,800,478.61/32,699,630.95 = 8,152,621.65/x
  3. Step 3: Cross multiply
    21,800,478.61x = 32,699,630.95 × 8,152,621.65
  4. Step 4: Simplify right side
    21,800,478.61x = 266,587,719,209,598.53
  5. Step 5: Solve for x
    x = 266,587,719,209,598.53/21,800,478.61
  6. Step 6: Final answer
    x = 12,228,525.99

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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.