Home / 12,985,087.20-19,473,038.10-4,463,441.70

Finding the Fourth Proportional to 12,985,087.20, 19,473,038.10 and 4,463,441.70

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Solution

The fourth proportional to 12,985,087.20, 19,473,038.10 and 4,463,441.70 is: 6,693,583.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,985,087.20 : 19,473,038.10 = 4,463,441.70 : x
  2. Step 2: Convert to fraction form
    12,985,087.20/19,473,038.10 = 4,463,441.70/x
  3. Step 3: Cross multiply
    12,985,087.20x = 19,473,038.10 × 4,463,441.70
  4. Step 4: Simplify right side
    12,985,087.20x = 86,916,770,281,228.78
  5. Step 5: Solve for x
    x = 86,916,770,281,228.78/12,985,087.20
  6. Step 6: Final answer
    x = 6,693,583.87

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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.