Home / 20,484,513.60-30,726,770.40-5,338,445.10

Finding the Fourth Proportional to 20,484,513.60, 30,726,770.40 and 5,338,445.10

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Solution

The fourth proportional to 20,484,513.60, 30,726,770.40 and 5,338,445.10 is: 8,007,667.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,484,513.60 : 30,726,770.40 = 5,338,445.10 : x
  2. Step 2: Convert to fraction form
    20,484,513.60/30,726,770.40 = 5,338,445.10/x
  3. Step 3: Cross multiply
    20,484,513.60x = 30,726,770.40 × 5,338,445.10
  4. Step 4: Simplify right side
    20,484,513.60x = 164,033,176,880,705.03
  5. Step 5: Solve for x
    x = 164,033,176,880,705.03/20,484,513.60
  6. Step 6: Final answer
    x = 8,007,667.65

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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.