Home / 8,190,800.40-12,303,915.30-5,799,315.90

Finding the Fourth Proportional to 8,190,800.40, 12,303,915.30 and 5,799,315.90

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Solution

The fourth proportional to 8,190,800.40, 12,303,915.30 and 5,799,315.90 is: 8,711,516.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190,800.40 : 12,303,915.30 = 5,799,315.90 : x
  2. Step 2: Convert to fraction form
    8,190,800.40/12,303,915.30 = 5,799,315.90/x
  3. Step 3: Cross multiply
    8,190,800.40x = 12,303,915.30 × 5,799,315.90
  4. Step 4: Simplify right side
    8,190,800.40x = 71,354,291,631,543.28
  5. Step 5: Solve for x
    x = 71,354,291,631,543.28/8,190,800.40
  6. Step 6: Final answer
    x = 8,711,516.35

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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.