Home / 12,948,803.70-19,423,205.55-12,395,930.10

Finding the Fourth Proportional to 12,948,803.70, 19,423,205.55 and 12,395,930.10

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Solution

The fourth proportional to 12,948,803.70, 19,423,205.55 and 12,395,930.10 is: 18,593,895.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,803.70 : 19,423,205.55 = 12,395,930.10 : x
  2. Step 2: Convert to fraction form
    12,948,803.70/19,423,205.55 = 12,395,930.10/x
  3. Step 3: Cross multiply
    12,948,803.70x = 19,423,205.55 × 12,395,930.10
  4. Step 4: Simplify right side
    12,948,803.70x = 240,768,698,315,732.06
  5. Step 5: Solve for x
    x = 240,768,698,315,732.06/12,948,803.70
  6. Step 6: Final answer
    x = 18,593,895.15

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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.