Home / 8,460,024.80-12,690,037.20-4,478,712.80

Finding the Fourth Proportional to 8,460,024.80, 12,690,037.20 and 4,478,712.80

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Solution

The fourth proportional to 8,460,024.80, 12,690,037.20 and 4,478,712.80 is: 6,718,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460,024.80 : 12,690,037.20 = 4,478,712.80 : x
  2. Step 2: Convert to fraction form
    8,460,024.80/12,690,037.20 = 4,478,712.80/x
  3. Step 3: Cross multiply
    8,460,024.80x = 12,690,037.20 × 4,478,712.80
  4. Step 4: Simplify right side
    8,460,024.80x = 56,835,032,040,116.16
  5. Step 5: Solve for x
    x = 56,835,032,040,116.16/8,460,024.80
  6. Step 6: Final answer
    x = 6,718,069.20

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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.