Home / 28,926,772.48-39,919,435.92-15,875,245.72

Finding the Fourth Proportional to 28,926,772.48, 39,919,435.92 and 15,875,245.72

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Solution

The fourth proportional to 28,926,772.48, 39,919,435.92 and 15,875,245.72 is: 21,908,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926,772.48 : 39,919,435.92 = 15,875,245.72 : x
  2. Step 2: Convert to fraction form
    28,926,772.48/39,919,435.92 = 15,875,245.72/x
  3. Step 3: Cross multiply
    28,926,772.48x = 39,919,435.92 × 15,875,245.72
  4. Step 4: Simplify right side
    28,926,772.48x = 633,730,854,233,794.38
  5. Step 5: Solve for x
    x = 633,730,854,233,794.38/28,926,772.48
  6. Step 6: Final answer
    x = 21,908,107.95

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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.