Home / 22,819,298.40-31,490,451-12,505,996.89

Finding the Fourth Proportional to 22,819,298.40, 31,490,451 and 12,505,996.89

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Solution

The fourth proportional to 22,819,298.40, 31,490,451 and 12,505,996.89 is: 17,258,176.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,819,298.40 : 31,490,451 = 12,505,996.89 : x
  2. Step 2: Convert to fraction form
    22,819,298.40/31,490,451 = 12,505,996.89/x
  3. Step 3: Cross multiply
    22,819,298.40x = 31,490,451 × 12,505,996.89
  4. Step 4: Simplify right side
    22,819,298.40x = 393,819,482,270,697.44
  5. Step 5: Solve for x
    x = 393,819,482,270,697.44/22,819,298.40
  6. Step 6: Final answer
    x = 17,258,176.63

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Double scale
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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.