Home / 21,364,300.71-29,482,695.09-11,574,988.20

Finding the Fourth Proportional to 21,364,300.71, 29,482,695.09 and 11,574,988.20

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Solution

The fourth proportional to 21,364,300.71, 29,482,695.09 and 11,574,988.20 is: 15,973,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,364,300.71 : 29,482,695.09 = 11,574,988.20 : x
  2. Step 2: Convert to fraction form
    21,364,300.71/29,482,695.09 = 11,574,988.20/x
  3. Step 3: Cross multiply
    21,364,300.71x = 29,482,695.09 × 11,574,988.20
  4. Step 4: Simplify right side
    21,364,300.71x = 341,261,847,770,947.94
  5. Step 5: Solve for x
    x = 341,261,847,770,947.94/21,364,300.71
  6. Step 6: Final answer
    x = 15,973,462.10

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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.