Home / 8,065,661.40-12,098,492.10-7,449,802.20

Finding the Fourth Proportional to 8,065,661.40, 12,098,492.10 and 7,449,802.20

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Solution

The fourth proportional to 8,065,661.40, 12,098,492.10 and 7,449,802.20 is: 11,174,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,661.40 : 12,098,492.10 = 7,449,802.20 : x
  2. Step 2: Convert to fraction form
    8,065,661.40/12,098,492.10 = 7,449,802.20/x
  3. Step 3: Cross multiply
    8,065,661.40x = 12,098,492.10 × 7,449,802.20
  4. Step 4: Simplify right side
    8,065,661.40x = 90,131,373,063,262.62
  5. Step 5: Solve for x
    x = 90,131,373,063,262.62/8,065,661.40
  6. Step 6: Final answer
    x = 11,174,703.30

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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.