Home / 8,391,002.80-12,586,504.20-7,445,441.20

Finding the Fourth Proportional to 8,391,002.80, 12,586,504.20 and 7,445,441.20

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Solution

The fourth proportional to 8,391,002.80, 12,586,504.20 and 7,445,441.20 is: 11,168,161.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391,002.80 : 12,586,504.20 = 7,445,441.20 : x
  2. Step 2: Convert to fraction form
    8,391,002.80/12,586,504.20 = 7,445,441.20/x
  3. Step 3: Cross multiply
    8,391,002.80x = 12,586,504.20 × 7,445,441.20
  4. Step 4: Simplify right side
    8,391,002.80x = 93,712,076,934,653.03
  5. Step 5: Solve for x
    x = 93,712,076,934,653.03/8,391,002.80
  6. Step 6: Final answer
    x = 11,168,161.80

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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.