Home / 20,117,538.95-30,176,585.44-5,740,602.50

Finding the Fourth Proportional to 20,117,538.95, 30,176,585.44 and 5,740,602.50

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Solution

The fourth proportional to 20,117,538.95, 30,176,585.44 and 5,740,602.50 is: 8,610,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117,538.95 : 30,176,585.44 = 5,740,602.50 : x
  2. Step 2: Convert to fraction form
    20,117,538.95/30,176,585.44 = 5,740,602.50/x
  3. Step 3: Cross multiply
    20,117,538.95x = 30,176,585.44 × 5,740,602.50
  4. Step 4: Simplify right side
    20,117,538.95x = 173,231,781,879,417.56
  5. Step 5: Solve for x
    x = 173,231,781,879,417.56/20,117,538.95
  6. Step 6: Final answer
    x = 8,610,982.80

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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.