Home / 28,516,513.20-42,774,769.80-27,508,743.60

Finding the Fourth Proportional to 28,516,513.20, 42,774,769.80 and 27,508,743.60

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Solution

The fourth proportional to 28,516,513.20, 42,774,769.80 and 27,508,743.60 is: 41,263,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,516,513.20 : 42,774,769.80 = 27,508,743.60 : x
  2. Step 2: Convert to fraction form
    28,516,513.20/42,774,769.80 = 27,508,743.60/x
  3. Step 3: Cross multiply
    28,516,513.20x = 42,774,769.80 × 27,508,743.60
  4. Step 4: Simplify right side
    28,516,513.20x = 1,176,680,174,977,223.25
  5. Step 5: Solve for x
    x = 1,176,680,174,977,223.25/28,516,513.20
  6. Step 6: Final answer
    x = 41,263,115.40

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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.