Home / 12,328,429.20-18,492,701.40-4,350,253.20

Finding the Fourth Proportional to 12,328,429.20, 18,492,701.40 and 4,350,253.20

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Solution

The fourth proportional to 12,328,429.20, 18,492,701.40 and 4,350,253.20 is: 6,525,400.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,328,429.20 : 18,492,701.40 = 4,350,253.20 : x
  2. Step 2: Convert to fraction form
    12,328,429.20/18,492,701.40 = 4,350,253.20/x
  3. Step 3: Cross multiply
    12,328,429.20x = 18,492,701.40 × 4,350,253.20
  4. Step 4: Simplify right side
    12,328,429.20x = 80,447,933,441,994.48
  5. Step 5: Solve for x
    x = 80,447,933,441,994.48/12,328,429.20
  6. Step 6: Final answer
    x = 6,525,400.12

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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.