Home / 8,066,685.20-12,114,024.60-4,287,549.20

Finding the Fourth Proportional to 8,066,685.20, 12,114,024.60 and 4,287,549.20

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Solution

The fourth proportional to 8,066,685.20, 12,114,024.60 and 4,287,549.20 is: 6,438,763.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066,685.20 : 12,114,024.60 = 4,287,549.20 : x
  2. Step 2: Convert to fraction form
    8,066,685.20/12,114,024.60 = 4,287,549.20/x
  3. Step 3: Cross multiply
    8,066,685.20x = 12,114,024.60 × 4,287,549.20
  4. Step 4: Simplify right side
    8,066,685.20x = 51,939,476,482,510.32
  5. Step 5: Solve for x
    x = 51,939,476,482,510.32/8,066,685.20
  6. Step 6: Final answer
    x = 6,438,763.28

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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.