Home / 21,362,783.39-29,480,478.13-11,573,157.55

Finding the Fourth Proportional to 21,362,783.39, 29,480,478.13 and 11,573,157.55

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Solution

The fourth proportional to 21,362,783.39, 29,480,478.13 and 11,573,157.55 is: 15,970,869.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,362,783.39 : 29,480,478.13 = 11,573,157.55 : x
  2. Step 2: Convert to fraction form
    21,362,783.39/29,480,478.13 = 11,573,157.55/x
  3. Step 3: Cross multiply
    21,362,783.39x = 29,480,478.13 × 11,573,157.55
  4. Step 4: Simplify right side
    21,362,783.39x = 341,182,217,868,209.69
  5. Step 5: Solve for x
    x = 341,182,217,868,209.69/21,362,783.39
  6. Step 6: Final answer
    x = 15,970,869.13

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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.