Home / 20,026,042.40-30,039,063.60-9,948,346.40

Finding the Fourth Proportional to 20,026,042.40, 30,039,063.60 and 9,948,346.40

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Solution

The fourth proportional to 20,026,042.40, 30,039,063.60 and 9,948,346.40 is: 14,922,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026,042.40 : 30,039,063.60 = 9,948,346.40 : x
  2. Step 2: Convert to fraction form
    20,026,042.40/30,039,063.60 = 9,948,346.40/x
  3. Step 3: Cross multiply
    20,026,042.40x = 30,039,063.60 × 9,948,346.40
  4. Step 4: Simplify right side
    20,026,042.40x = 298,839,010,224,431.06
  5. Step 5: Solve for x
    x = 298,839,010,224,431.06/20,026,042.40
  6. Step 6: Final answer
    x = 14,922,519.60

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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.