Home / 12,948,804.70-19,423,207.05-12,395,931.10

Finding the Fourth Proportional to 12,948,804.70, 19,423,207.05 and 12,395,931.10

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Solution

The fourth proportional to 12,948,804.70, 19,423,207.05 and 12,395,931.10 is: 18,593,896.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,804.70 : 19,423,207.05 = 12,395,931.10 : x
  2. Step 2: Convert to fraction form
    12,948,804.70/19,423,207.05 = 12,395,931.10/x
  3. Step 3: Cross multiply
    12,948,804.70x = 19,423,207.05 × 12,395,931.10
  4. Step 4: Simplify right side
    12,948,804.70x = 240,768,736,332,834.25
  5. Step 5: Solve for x
    x = 240,768,736,332,834.25/12,948,804.70
  6. Step 6: Final answer
    x = 18,593,896.65

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Double scale
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1.5x scale

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.