Home / 5,829,421.80-8,744,132.70-5,215,312.20

Finding the Fourth Proportional to 5,829,421.80, 8,744,132.70 and 5,215,312.20

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Solution

The fourth proportional to 5,829,421.80, 8,744,132.70 and 5,215,312.20 is: 7,822,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,829,421.80 : 8,744,132.70 = 5,215,312.20 : x
  2. Step 2: Convert to fraction form
    5,829,421.80/8,744,132.70 = 5,215,312.20/x
  3. Step 3: Cross multiply
    5,829,421.80x = 8,744,132.70 × 5,215,312.20
  4. Step 4: Simplify right side
    5,829,421.80x = 45,603,381,948,728.94
  5. Step 5: Solve for x
    x = 45,603,381,948,728.94/5,829,421.80
  6. Step 6: Final answer
    x = 7,822,968.30

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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.