Home / 5,429,358.80-8,144,038.20-5,180,526.80

Finding the Fourth Proportional to 5,429,358.80, 8,144,038.20 and 5,180,526.80

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Solution

The fourth proportional to 5,429,358.80, 8,144,038.20 and 5,180,526.80 is: 7,770,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,358.80 : 8,144,038.20 = 5,180,526.80 : x
  2. Step 2: Convert to fraction form
    5,429,358.80/8,144,038.20 = 5,180,526.80/x
  3. Step 3: Cross multiply
    5,429,358.80x = 8,144,038.20 × 5,180,526.80
  4. Step 4: Simplify right side
    5,429,358.80x = 42,190,408,155,323.76
  5. Step 5: Solve for x
    x = 42,190,408,155,323.76/5,429,358.80
  6. Step 6: Final answer
    x = 7,770,790.20

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Similar ratio
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1.5x scale

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.