Home / 15,743,886.16-21,725,891.56-8,774,192.80

Finding the Fourth Proportional to 15,743,886.16, 21,725,891.56 and 8,774,192.80

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Solution

The fourth proportional to 15,743,886.16, 21,725,891.56 and 8,774,192.80 is: 12,108,011.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,743,886.16 : 21,725,891.56 = 8,774,192.80 : x
  2. Step 2: Convert to fraction form
    15,743,886.16/21,725,891.56 = 8,774,192.80/x
  3. Step 3: Cross multiply
    15,743,886.16x = 21,725,891.56 × 8,774,192.80
  4. Step 4: Simplify right side
    15,743,886.16x = 190,627,161,299,332.78
  5. Step 5: Solve for x
    x = 190,627,161,299,332.78/15,743,886.16
  6. Step 6: Final answer
    x = 12,108,011.92

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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.