Home / 8,319,207.20-12,478,810.80-2,927,814.80

Finding the Fourth Proportional to 8,319,207.20, 12,478,810.80 and 2,927,814.80

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Solution

The fourth proportional to 8,319,207.20, 12,478,810.80 and 2,927,814.80 is: 4,391,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,207.20 : 12,478,810.80 = 2,927,814.80 : x
  2. Step 2: Convert to fraction form
    8,319,207.20/12,478,810.80 = 2,927,814.80/x
  3. Step 3: Cross multiply
    8,319,207.20x = 12,478,810.80 × 2,927,814.80
  4. Step 4: Simplify right side
    8,319,207.20x = 36,535,646,946,639.84
  5. Step 5: Solve for x
    x = 36,535,646,946,639.84/8,319,207.20
  6. Step 6: Final answer
    x = 4,391,722.20

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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.