Home / 5,520,008.60-8,280,012.90-4,638,210.20

Finding the Fourth Proportional to 5,520,008.60, 8,280,012.90 and 4,638,210.20

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Solution

The fourth proportional to 5,520,008.60, 8,280,012.90 and 4,638,210.20 is: 6,957,315.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520,008.60 : 8,280,012.90 = 4,638,210.20 : x
  2. Step 2: Convert to fraction form
    5,520,008.60/8,280,012.90 = 4,638,210.20/x
  3. Step 3: Cross multiply
    5,520,008.60x = 8,280,012.90 × 4,638,210.20
  4. Step 4: Simplify right side
    5,520,008.60x = 38,404,440,288,911.59
  5. Step 5: Solve for x
    x = 38,404,440,288,911.59/5,520,008.60
  6. Step 6: Final answer
    x = 6,957,315.30

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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.