Home / 28,516,519.70-42,774,779.55-27,508,750.10

Finding the Fourth Proportional to 28,516,519.70, 42,774,779.55 and 27,508,750.10

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Solution

The fourth proportional to 28,516,519.70, 42,774,779.55 and 27,508,750.10 is: 41,263,125.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,516,519.70 : 42,774,779.55 = 27,508,750.10 : x
  2. Step 2: Convert to fraction form
    28,516,519.70/42,774,779.55 = 27,508,750.10/x
  3. Step 3: Cross multiply
    28,516,519.70x = 42,774,779.55 × 27,508,750.10
  4. Step 4: Simplify right side
    28,516,519.70x = 1,176,680,721,223,540.50
  5. Step 5: Solve for x
    x = 1,176,680,721,223,540.50/28,516,519.70
  6. Step 6: Final answer
    x = 41,263,125.15

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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.