Home / 26,626,952.70-39,940,429.05-12,278,045.70

Finding the Fourth Proportional to 26,626,952.70, 39,940,429.05 and 12,278,045.70

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Solution

The fourth proportional to 26,626,952.70, 39,940,429.05 and 12,278,045.70 is: 18,417,068.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,626,952.70 : 39,940,429.05 = 12,278,045.70 : x
  2. Step 2: Convert to fraction form
    26,626,952.70/39,940,429.05 = 12,278,045.70/x
  3. Step 3: Cross multiply
    26,626,952.70x = 39,940,429.05 × 12,278,045.70
  4. Step 4: Simplify right side
    26,626,952.70x = 490,390,413,153,507.50
  5. Step 5: Solve for x
    x = 490,390,413,153,507.50/26,626,952.70
  6. Step 6: Final answer
    x = 18,417,068.55

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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.