Home / 15,270,774.32-21,073,805.71-8,301,465.29

Finding the Fourth Proportional to 15,270,774.32, 21,073,805.71 and 8,301,465.29

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Solution

The fourth proportional to 15,270,774.32, 21,073,805.71 and 8,301,465.29 is: 11,456,096.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,270,774.32 : 21,073,805.71 = 8,301,465.29 : x
  2. Step 2: Convert to fraction form
    15,270,774.32/21,073,805.71 = 8,301,465.29/x
  3. Step 3: Cross multiply
    15,270,774.32x = 21,073,805.71 × 8,301,465.29
  4. Step 4: Simplify right side
    15,270,774.32x = 174,943,466,661,699.66
  5. Step 5: Solve for x
    x = 174,943,466,661,699.66/15,270,774.32
  6. Step 6: Final answer
    x = 11,456,096.66

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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.