Home / 12,293,655.30-18,398,492.55-10,782,000.90

Finding the Fourth Proportional to 12,293,655.30, 18,398,492.55 and 10,782,000.90

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Solution

The fourth proportional to 12,293,655.30, 18,398,492.55 and 10,782,000.90 is: 16,136,174.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293,655.30 : 18,398,492.55 = 10,782,000.90 : x
  2. Step 2: Convert to fraction form
    12,293,655.30/18,398,492.55 = 10,782,000.90/x
  3. Step 3: Cross multiply
    12,293,655.30x = 18,398,492.55 × 10,782,000.90
  4. Step 4: Simplify right side
    12,293,655.30x = 198,372,563,232,743.31
  5. Step 5: Solve for x
    x = 198,372,563,232,743.31/12,293,655.30
  6. Step 6: Final answer
    x = 16,136,174.18

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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.