Home / 28,921,828.49-43,386,034.72-10,486,455.31

Finding the Fourth Proportional to 28,921,828.49, 43,386,034.72 and 10,486,455.31

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Solution

The fourth proportional to 28,921,828.49, 43,386,034.72 and 10,486,455.31 is: 15,730,876.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,921,828.49 : 43,386,034.72 = 10,486,455.31 : x
  2. Step 2: Convert to fraction form
    28,921,828.49/43,386,034.72 = 10,486,455.31/x
  3. Step 3: Cross multiply
    28,921,828.49x = 43,386,034.72 × 10,486,455.31
  4. Step 4: Simplify right side
    28,921,828.49x = 454,965,714,169,388.38
  5. Step 5: Solve for x
    x = 454,965,714,169,388.38/28,921,828.49
  6. Step 6: Final answer
    x = 15,730,876.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.