Home / 15,138,004.34-20,917,772.38-10,779,523.84

Finding the Fourth Proportional to 15,138,004.34, 20,917,772.38 and 10,779,523.84

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Solution

The fourth proportional to 15,138,004.34, 20,917,772.38 and 10,779,523.84 is: 14,895,201.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138,004.34 : 20,917,772.38 = 10,779,523.84 : x
  2. Step 2: Convert to fraction form
    15,138,004.34/20,917,772.38 = 10,779,523.84/x
  3. Step 3: Cross multiply
    15,138,004.34x = 20,917,772.38 × 10,779,523.84
  4. Step 4: Simplify right side
    15,138,004.34x = 225,483,626,059,213.16
  5. Step 5: Solve for x
    x = 225,483,626,059,213.16/15,138,004.34
  6. Step 6: Final answer
    x = 14,895,201.57

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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.