Home / 15,513,810.75-21,409,207.58-8,544,646.33

Finding the Fourth Proportional to 15,513,810.75, 21,409,207.58 and 8,544,646.33

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Solution

The fourth proportional to 15,513,810.75, 21,409,207.58 and 8,544,646.33 is: 11,791,693.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513,810.75 : 21,409,207.58 = 8,544,646.33 : x
  2. Step 2: Convert to fraction form
    15,513,810.75/21,409,207.58 = 8,544,646.33/x
  3. Step 3: Cross multiply
    15,513,810.75x = 21,409,207.58 × 8,544,646.33
  4. Step 4: Simplify right side
    15,513,810.75x = 182,934,106,944,493.78
  5. Step 5: Solve for x
    x = 182,934,106,944,493.78/15,513,810.75
  6. Step 6: Final answer
    x = 11,791,693.86

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Double scale
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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.