Home / 8,143,987.36-12,211,803.60-4,307,879.92

Finding the Fourth Proportional to 8,143,987.36, 12,211,803.60 and 4,307,879.92

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Solution

The fourth proportional to 8,143,987.36, 12,211,803.60 and 4,307,879.92 is: 6,459,610.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,987.36 : 12,211,803.60 = 4,307,879.92 : x
  2. Step 2: Convert to fraction form
    8,143,987.36/12,211,803.60 = 4,307,879.92/x
  3. Step 3: Cross multiply
    8,143,987.36x = 12,211,803.60 × 4,307,879.92
  4. Step 4: Simplify right side
    8,143,987.36x = 52,606,983,515,423.71
  5. Step 5: Solve for x
    x = 52,606,983,515,423.71/8,143,987.36
  6. Step 6: Final answer
    x = 6,459,610.16

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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.