Home / 20,232,909.70-30,349,364.55-18,107,145.70

Finding the Fourth Proportional to 20,232,909.70, 30,349,364.55 and 18,107,145.70

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Solution

The fourth proportional to 20,232,909.70, 30,349,364.55 and 18,107,145.70 is: 27,160,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232,909.70 : 30,349,364.55 = 18,107,145.70 : x
  2. Step 2: Convert to fraction form
    20,232,909.70/30,349,364.55 = 18,107,145.70/x
  3. Step 3: Cross multiply
    20,232,909.70x = 30,349,364.55 × 18,107,145.70
  4. Step 4: Simplify right side
    20,232,909.70x = 549,540,365,809,264.94
  5. Step 5: Solve for x
    x = 549,540,365,809,264.94/20,232,909.70
  6. Step 6: Final answer
    x = 27,160,718.55

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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.