Home / 8,460,022.80-12,690,034.20-4,478,710.80

Finding the Fourth Proportional to 8,460,022.80, 12,690,034.20 and 4,478,710.80

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Solution

The fourth proportional to 8,460,022.80, 12,690,034.20 and 4,478,710.80 is: 6,718,066.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460,022.80 : 12,690,034.20 = 4,478,710.80 : x
  2. Step 2: Convert to fraction form
    8,460,022.80/12,690,034.20 = 4,478,710.80/x
  3. Step 3: Cross multiply
    8,460,022.80x = 12,690,034.20 × 4,478,710.80
  4. Step 4: Simplify right side
    8,460,022.80x = 56,834,993,223,909.35
  5. Step 5: Solve for x
    x = 56,834,993,223,909.35/8,460,022.80
  6. Step 6: Final answer
    x = 6,718,066.20

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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.