Home / 9,136,428.72-13,705,488.57-2,988,445.20

Finding the Fourth Proportional to 9,136,428.72, 13,705,488.57 and 2,988,445.20

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Solution

The fourth proportional to 9,136,428.72, 13,705,488.57 and 2,988,445.20 is: 4,482,944.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136,428.72 : 13,705,488.57 = 2,988,445.20 : x
  2. Step 2: Convert to fraction form
    9,136,428.72/13,705,488.57 = 2,988,445.20/x
  3. Step 3: Cross multiply
    9,136,428.72x = 13,705,488.57 × 2,988,445.20
  4. Step 4: Simplify right side
    9,136,428.72x = 40,958,101,530,671.37
  5. Step 5: Solve for x
    x = 40,958,101,530,671.37/9,136,428.72
  6. Step 6: Final answer
    x = 4,482,944.35

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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.