Home / 12,492,017.90-18,738,026.85-10,366,253.90

Finding the Fourth Proportional to 12,492,017.90, 18,738,026.85 and 10,366,253.90

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Solution

The fourth proportional to 12,492,017.90, 18,738,026.85 and 10,366,253.90 is: 15,549,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492,017.90 : 18,738,026.85 = 10,366,253.90 : x
  2. Step 2: Convert to fraction form
    12,492,017.90/18,738,026.85 = 10,366,253.90/x
  3. Step 3: Cross multiply
    12,492,017.90x = 18,738,026.85 × 10,366,253.90
  4. Step 4: Simplify right side
    12,492,017.90x = 194,243,143,912,117.25
  5. Step 5: Solve for x
    x = 194,243,143,912,117.25/12,492,017.90
  6. Step 6: Final answer
    x = 15,549,380.85

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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.