Home / 13,280,488.40-19,923,065.40-4,765,768.40

Finding the Fourth Proportional to 13,280,488.40, 19,923,065.40 and 4,765,768.40

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Solution

The fourth proportional to 13,280,488.40, 19,923,065.40 and 4,765,768.40 is: 7,149,489.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,488.40 : 19,923,065.40 = 4,765,768.40 : x
  2. Step 2: Convert to fraction form
    13,280,488.40/19,923,065.40 = 4,765,768.40/x
  3. Step 3: Cross multiply
    13,280,488.40x = 19,923,065.40 × 4,765,768.40
  4. Step 4: Simplify right side
    13,280,488.40x = 94,948,715,514,453.36
  5. Step 5: Solve for x
    x = 94,948,715,514,453.36/13,280,488.40
  6. Step 6: Final answer
    x = 7,149,489.74

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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.