Home / 5,465,411.40-8,198,117.10-5,381,430.60

Finding the Fourth Proportional to 5,465,411.40, 8,198,117.10 and 5,381,430.60

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Solution

The fourth proportional to 5,465,411.40, 8,198,117.10 and 5,381,430.60 is: 8,072,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465,411.40 : 8,198,117.10 = 5,381,430.60 : x
  2. Step 2: Convert to fraction form
    5,465,411.40/8,198,117.10 = 5,381,430.60/x
  3. Step 3: Cross multiply
    5,465,411.40x = 8,198,117.10 × 5,381,430.60
  4. Step 4: Simplify right side
    5,465,411.40x = 44,117,598,224,323.26
  5. Step 5: Solve for x
    x = 44,117,598,224,323.26/5,465,411.40
  6. Step 6: Final answer
    x = 8,072,145.90

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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.