Home / 30,344,077.64-45,404,141.97-18,220,924.28

Finding the Fourth Proportional to 30,344,077.64, 45,404,141.97 and 18,220,924.28

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Solution

The fourth proportional to 30,344,077.64, 45,404,141.97 and 18,220,924.28 is: 27,264,148.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,344,077.64 : 45,404,141.97 = 18,220,924.28 : x
  2. Step 2: Convert to fraction form
    30,344,077.64/45,404,141.97 = 18,220,924.28/x
  3. Step 3: Cross multiply
    30,344,077.64x = 45,404,141.97 × 18,220,924.28
  4. Step 4: Simplify right side
    30,344,077.64x = 827,305,432,833,740.12
  5. Step 5: Solve for x
    x = 827,305,432,833,740.12/30,344,077.64
  6. Step 6: Final answer
    x = 27,264,148.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.