Home / 15,895,150,721.28-21,934,319,646.38-8,758,165,140.18

Finding the Fourth Proportional to 15,895,150,721.28, 21,934,319,646.38 and 8,758,165,140.18

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Solution

The fourth proportional to 15,895,150,721.28, 21,934,319,646.38 and 8,758,165,140.18 is: 12,085,723,317.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,895,150,721.28 : 21,934,319,646.38 = 8,758,165,140.18 : x
  2. Step 2: Convert to fraction form
    15,895,150,721.28/21,934,319,646.38 = 8,758,165,140.18/x
  3. Step 3: Cross multiply
    15,895,150,721.28x = 21,934,319,646.38 × 8,758,165,140.18
  4. Step 4: Simplify right side
    15,895,150,721.28x = 192,104,393,700,455,579,648
  5. Step 5: Solve for x
    x = 192,104,393,700,455,579,648/15,895,150,721.28
  6. Step 6: Final answer
    x = 12,085,723,317.07

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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.