Home / 12,655,198.60-17,464,168.48-6,853,980.20

Finding the Fourth Proportional to 12,655,198.60, 17,464,168.48 and 6,853,980.20

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Solution

The fourth proportional to 12,655,198.60, 17,464,168.48 and 6,853,980.20 is: 9,458,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,655,198.60 : 17,464,168.48 = 6,853,980.20 : x
  2. Step 2: Convert to fraction form
    12,655,198.60/17,464,168.48 = 6,853,980.20/x
  3. Step 3: Cross multiply
    12,655,198.60x = 17,464,168.48 × 6,853,980.20
  4. Step 4: Simplify right side
    12,655,198.60x = 119,699,064,971,384.11
  5. Step 5: Solve for x
    x = 119,699,064,971,384.11/12,655,198.60
  6. Step 6: Final answer
    x = 9,458,489.65

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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.