Home / 20,298,326.08-30,439,903.20-8,163,693.76

Finding the Fourth Proportional to 20,298,326.08, 30,439,903.20 and 8,163,693.76

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Solution

The fourth proportional to 20,298,326.08, 30,439,903.20 and 8,163,693.76 is: 12,242,489.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298,326.08 : 30,439,903.20 = 8,163,693.76 : x
  2. Step 2: Convert to fraction form
    20,298,326.08/30,439,903.20 = 8,163,693.76/x
  3. Step 3: Cross multiply
    20,298,326.08x = 30,439,903.20 × 8,163,693.76
  4. Step 4: Simplify right side
    20,298,326.08x = 248,502,047,808,844.03
  5. Step 5: Solve for x
    x = 248,502,047,808,844.03/20,298,326.08
  6. Step 6: Final answer
    x = 12,242,489.69

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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.