Home / 7,068,729.13-9,754,885.32-3,971,383.09

Finding the Fourth Proportional to 7,068,729.13, 9,754,885.32 and 3,971,383.09

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Solution

The fourth proportional to 7,068,729.13, 9,754,885.32 and 3,971,383.09 is: 5,480,530.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068,729.13 : 9,754,885.32 = 3,971,383.09 : x
  2. Step 2: Convert to fraction form
    7,068,729.13/9,754,885.32 = 3,971,383.09/x
  3. Step 3: Cross multiply
    7,068,729.13x = 9,754,885.32 × 3,971,383.09
  4. Step 4: Simplify right side
    7,068,729.13x = 38,740,386,565,457.34
  5. Step 5: Solve for x
    x = 38,740,386,565,457.34/7,068,729.13
  6. Step 6: Final answer
    x = 5,480,530.64

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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.