Home / 20,255,921-27,953,168.86-10,963,489.46

Finding the Fourth Proportional to 20,255,921, 27,953,168.86 and 10,963,489.46

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Solution

The fourth proportional to 20,255,921, 27,953,168.86 and 10,963,489.46 is: 15,129,614.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,255,921 : 27,953,168.86 = 10,963,489.46 : x
  2. Step 2: Convert to fraction form
    20,255,921/27,953,168.86 = 10,963,489.46/x
  3. Step 3: Cross multiply
    20,255,921x = 27,953,168.86 × 10,963,489.46
  4. Step 4: Simplify right side
    20,255,921x = 306,464,272,170,210.25
  5. Step 5: Solve for x
    x = 306,464,272,170,210.25/20,255,921
  6. Step 6: Final answer
    x = 15,129,614.31

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1.5x scale

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.