Home / 12,116,209.64-16,720,423.89-6,609,567.20

Finding the Fourth Proportional to 12,116,209.64, 16,720,423.89 and 6,609,567.20

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Solution

The fourth proportional to 12,116,209.64, 16,720,423.89 and 6,609,567.20 is: 9,121,232.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116,209.64 : 16,720,423.89 = 6,609,567.20 : x
  2. Step 2: Convert to fraction form
    12,116,209.64/16,720,423.89 = 6,609,567.20/x
  3. Step 3: Cross multiply
    12,116,209.64x = 16,720,423.89 × 6,609,567.20
  4. Step 4: Simplify right side
    12,116,209.64x = 110,514,765,205,052.42
  5. Step 5: Solve for x
    x = 110,514,765,205,052.42/12,116,209.64
  6. Step 6: Final answer
    x = 9,121,232.51

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1.5x scale

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.