Home / 28,926,298.65-39,919,443.03-15,874,024.66

Finding the Fourth Proportional to 28,926,298.65, 39,919,443.03 and 15,874,024.66

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Solution

The fourth proportional to 28,926,298.65, 39,919,443.03 and 15,874,024.66 is: 21,906,785.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926,298.65 : 39,919,443.03 = 15,874,024.66 : x
  2. Step 2: Convert to fraction form
    28,926,298.65/39,919,443.03 = 15,874,024.66/x
  3. Step 3: Cross multiply
    28,926,298.65x = 39,919,443.03 × 15,874,024.66
  4. Step 4: Simplify right side
    28,926,298.65x = 633,682,223,196,433.38
  5. Step 5: Solve for x
    x = 633,682,223,196,433.38/28,926,298.65
  6. Step 6: Final answer
    x = 21,906,785.62

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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.