Home / 15,304,659.18-21,121,921.47-11,430,454.32

Finding the Fourth Proportional to 15,304,659.18, 21,121,921.47 and 11,430,454.32

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Solution

The fourth proportional to 15,304,659.18, 21,121,921.47 and 11,430,454.32 is: 15,775,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,304,659.18 : 21,121,921.47 = 11,430,454.32 : x
  2. Step 2: Convert to fraction form
    15,304,659.18/21,121,921.47 = 11,430,454.32/x
  3. Step 3: Cross multiply
    15,304,659.18x = 21,121,921.47 × 11,430,454.32
  4. Step 4: Simplify right side
    15,304,659.18x = 241,433,158,513,462.25
  5. Step 5: Solve for x
    x = 241,433,158,513,462.25/15,304,659.18
  6. Step 6: Final answer
    x = 15,775,141.13

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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.