Home / 6,480,006.80-9,720,010.20-4,679,085.20

Finding the Fourth Proportional to 6,480,006.80, 9,720,010.20 and 4,679,085.20

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Solution

The fourth proportional to 6,480,006.80, 9,720,010.20 and 4,679,085.20 is: 7,018,627.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480,006.80 : 9,720,010.20 = 4,679,085.20 : x
  2. Step 2: Convert to fraction form
    6,480,006.80/9,720,010.20 = 4,679,085.20/x
  3. Step 3: Cross multiply
    6,480,006.80x = 9,720,010.20 × 4,679,085.20
  4. Step 4: Simplify right side
    6,480,006.80x = 45,480,755,870,669.04
  5. Step 5: Solve for x
    x = 45,480,755,870,669.04/6,480,006.80
  6. Step 6: Final answer
    x = 7,018,627.80

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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.