Home / 20,342,552.40-30,513,828.60-5,196,483.90

Finding the Fourth Proportional to 20,342,552.40, 30,513,828.60 and 5,196,483.90

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Solution

The fourth proportional to 20,342,552.40, 30,513,828.60 and 5,196,483.90 is: 7,794,725.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342,552.40 : 30,513,828.60 = 5,196,483.90 : x
  2. Step 2: Convert to fraction form
    20,342,552.40/30,513,828.60 = 5,196,483.90/x
  3. Step 3: Cross multiply
    20,342,552.40x = 30,513,828.60 × 5,196,483.90
  4. Step 4: Simplify right side
    20,342,552.40x = 158,564,619,047,259.56
  5. Step 5: Solve for x
    x = 158,564,619,047,259.56/20,342,552.40
  6. Step 6: Final answer
    x = 7,794,725.85

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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.