Home / 8,983,897.20-12,400,011-5,118,719.76

Finding the Fourth Proportional to 8,983,897.20, 12,400,011 and 5,118,719.76

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Solution

The fourth proportional to 8,983,897.20, 12,400,011 and 5,118,719.76 is: 7,065,105.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983,897.20 : 12,400,011 = 5,118,719.76 : x
  2. Step 2: Convert to fraction form
    8,983,897.20/12,400,011 = 5,118,719.76/x
  3. Step 3: Cross multiply
    8,983,897.20x = 12,400,011 × 5,118,719.76
  4. Step 4: Simplify right side
    8,983,897.20x = 63,472,181,329,917.36
  5. Step 5: Solve for x
    x = 63,472,181,329,917.36/8,983,897.20
  6. Step 6: Final answer
    x = 7,065,105.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.