Home / 8,478,298.64-12,717,908.76-2,799,030.80

Finding the Fourth Proportional to 8,478,298.64, 12,717,908.76 and 2,799,030.80

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Solution

The fourth proportional to 8,478,298.64, 12,717,908.76 and 2,799,030.80 is: 4,198,698.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,478,298.64 : 12,717,908.76 = 2,799,030.80 : x
  2. Step 2: Convert to fraction form
    8,478,298.64/12,717,908.76 = 2,799,030.80/x
  3. Step 3: Cross multiply
    8,478,298.64x = 12,717,908.76 × 2,799,030.80
  4. Step 4: Simplify right side
    8,478,298.64x = 35,597,818,330,829.80
  5. Step 5: Solve for x
    x = 35,597,818,330,829.80/8,478,298.64
  6. Step 6: Final answer
    x = 4,198,698.33

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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.