Home / 15,247,398.26-21,041,710.54-8,371,820.18

Finding the Fourth Proportional to 15,247,398.26, 21,041,710.54 and 8,371,820.18

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Solution

The fourth proportional to 15,247,398.26, 21,041,710.54 and 8,371,820.18 is: 11,553,277.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247,398.26 : 21,041,710.54 = 8,371,820.18 : x
  2. Step 2: Convert to fraction form
    15,247,398.26/21,041,710.54 = 8,371,820.18/x
  3. Step 3: Cross multiply
    15,247,398.26x = 21,041,710.54 × 8,371,820.18
  4. Step 4: Simplify right side
    15,247,398.26x = 176,157,416,920,490.69
  5. Step 5: Solve for x
    x = 176,157,416,920,490.69/15,247,398.26
  6. Step 6: Final answer
    x = 11,553,277.08

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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.