Home / 18,454,429.40-27,681,644.10-4,991,257.40

Finding the Fourth Proportional to 18,454,429.40, 27,681,644.10 and 4,991,257.40

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Solution

The fourth proportional to 18,454,429.40, 27,681,644.10 and 4,991,257.40 is: 7,486,886.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454,429.40 : 27,681,644.10 = 4,991,257.40 : x
  2. Step 2: Convert to fraction form
    18,454,429.40/27,681,644.10 = 4,991,257.40/x
  3. Step 3: Cross multiply
    18,454,429.40x = 27,681,644.10 × 4,991,257.40
  4. Step 4: Simplify right side
    18,454,429.40x = 138,166,210,958,291.36
  5. Step 5: Solve for x
    x = 138,166,210,958,291.36/18,454,429.40
  6. Step 6: Final answer
    x = 7,486,886.10

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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.