Home / 12,715,833.36-17,547,315.88-7,209,578.64

Finding the Fourth Proportional to 12,715,833.36, 17,547,315.88 and 7,209,578.64

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Solution

The fourth proportional to 12,715,833.36, 17,547,315.88 and 7,209,578.64 is: 9,948,915.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715,833.36 : 17,547,315.88 = 7,209,578.64 : x
  2. Step 2: Convert to fraction form
    12,715,833.36/17,547,315.88 = 7,209,578.64/x
  3. Step 3: Cross multiply
    12,715,833.36x = 17,547,315.88 × 7,209,578.64
  4. Step 4: Simplify right side
    12,715,833.36x = 126,508,753,757,780.80
  5. Step 5: Solve for x
    x = 126,508,753,757,780.80/12,715,833.36
  6. Step 6: Final answer
    x = 9,948,915.67

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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.