Home / 28,317,175.40-42,492,351.90-10,368,093.80

Finding the Fourth Proportional to 28,317,175.40, 42,492,351.90 and 10,368,093.80

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Solution

The fourth proportional to 28,317,175.40, 42,492,351.90 and 10,368,093.80 is: 15,558,214.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,317,175.40 : 42,492,351.90 = 10,368,093.80 : x
  2. Step 2: Convert to fraction form
    28,317,175.40/42,492,351.90 = 10,368,093.80/x
  3. Step 3: Cross multiply
    28,317,175.40x = 42,492,351.90 × 10,368,093.80
  4. Step 4: Simplify right side
    28,317,175.40x = 440,564,690,281,808.25
  5. Step 5: Solve for x
    x = 440,564,690,281,808.25/28,317,175.40
  6. Step 6: Final answer
    x = 15,558,214.55

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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.