Home / 20,956,140.25-31,432,283.28-5,602,879.62

Finding the Fourth Proportional to 20,956,140.25, 31,432,283.28 and 5,602,879.62

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Solution

The fourth proportional to 20,956,140.25, 31,432,283.28 and 5,602,879.62 is: 8,403,804.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,956,140.25 : 31,432,283.28 = 5,602,879.62 : x
  2. Step 2: Convert to fraction form
    20,956,140.25/31,432,283.28 = 5,602,879.62/x
  3. Step 3: Cross multiply
    20,956,140.25x = 31,432,283.28 × 5,602,879.62
  4. Step 4: Simplify right side
    20,956,140.25x = 176,111,299,399,578.75
  5. Step 5: Solve for x
    x = 176,111,299,399,578.75/20,956,140.25
  6. Step 6: Final answer
    x = 8,403,804.20

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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.