Home / 20,339,637.40-30,509,456.10-6,876,465.40

Finding the Fourth Proportional to 20,339,637.40, 30,509,456.10 and 6,876,465.40

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Solution

The fourth proportional to 20,339,637.40, 30,509,456.10 and 6,876,465.40 is: 10,314,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,339,637.40 : 30,509,456.10 = 6,876,465.40 : x
  2. Step 2: Convert to fraction form
    20,339,637.40/30,509,456.10 = 6,876,465.40/x
  3. Step 3: Cross multiply
    20,339,637.40x = 30,509,456.10 × 6,876,465.40
  4. Step 4: Simplify right side
    20,339,637.40x = 209,797,219,244,468.97
  5. Step 5: Solve for x
    x = 209,797,219,244,468.97/20,339,637.40
  6. Step 6: Final answer
    x = 10,314,698.10

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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.