Home / 8,492,030.20-12,738,045.30-6,600,129.40

Finding the Fourth Proportional to 8,492,030.20, 12,738,045.30 and 6,600,129.40

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Solution

The fourth proportional to 8,492,030.20, 12,738,045.30 and 6,600,129.40 is: 9,900,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492,030.20 : 12,738,045.30 = 6,600,129.40 : x
  2. Step 2: Convert to fraction form
    8,492,030.20/12,738,045.30 = 6,600,129.40/x
  3. Step 3: Cross multiply
    8,492,030.20x = 12,738,045.30 × 6,600,129.40
  4. Step 4: Simplify right side
    8,492,030.20x = 84,072,747,283,061.83
  5. Step 5: Solve for x
    x = 84,072,747,283,061.83/8,492,030.20
  6. Step 6: Final answer
    x = 9,900,194.10

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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.