Home / 20,747,598.40-31,100,402.40-12,223,547.20

Finding the Fourth Proportional to 20,747,598.40, 31,100,402.40 and 12,223,547.20

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Solution

The fourth proportional to 20,747,598.40, 31,100,402.40 and 12,223,547.20 is: 18,322,951.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,747,598.40 : 31,100,402.40 = 12,223,547.20 : x
  2. Step 2: Convert to fraction form
    20,747,598.40/31,100,402.40 = 12,223,547.20/x
  3. Step 3: Cross multiply
    20,747,598.40x = 31,100,402.40 × 12,223,547.20
  4. Step 4: Simplify right side
    20,747,598.40x = 380,157,236,675,393.25
  5. Step 5: Solve for x
    x = 380,157,236,675,393.25/20,747,598.40
  6. Step 6: Final answer
    x = 18,322,951.38

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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.