Home / 12,346,134.28-17,034,587.38-7,120,740.66

Finding the Fourth Proportional to 12,346,134.28, 17,034,587.38 and 7,120,740.66

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Solution

The fourth proportional to 12,346,134.28, 17,034,587.38 and 7,120,740.66 is: 9,824,846.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346,134.28 : 17,034,587.38 = 7,120,740.66 : x
  2. Step 2: Convert to fraction form
    12,346,134.28/17,034,587.38 = 7,120,740.66/x
  3. Step 3: Cross multiply
    12,346,134.28x = 17,034,587.38 × 7,120,740.66
  4. Step 4: Simplify right side
    12,346,134.28x = 121,298,878,983,088.86
  5. Step 5: Solve for x
    x = 121,298,878,983,088.86/12,346,134.28
  6. Step 6: Final answer
    x = 9,824,846.89

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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.