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Finding the Fourth Proportional to 15,775,553, 21,770,264.76 and 8,532,209

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Solution

The fourth proportional to 15,775,553, 21,770,264.76 and 8,532,209 is: 11,774,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,775,553 : 21,770,264.76 = 8,532,209 : x
  2. Step 2: Convert to fraction form
    15,775,553/21,770,264.76 = 8,532,209/x
  3. Step 3: Cross multiply
    15,775,553x = 21,770,264.76 × 8,532,209
  4. Step 4: Simplify right side
    15,775,553x = 185,748,448,917,654.84
  5. Step 5: Solve for x
    x = 185,748,448,917,654.84/15,775,553
  6. Step 6: Final answer
    x = 11,774,449.30

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1.5x scale

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.