Home / 20,927,663.40-31,392,085.58-5,781,594.90

Finding the Fourth Proportional to 20,927,663.40, 31,392,085.58 and 5,781,594.90

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Solution

The fourth proportional to 20,927,663.40, 31,392,085.58 and 5,781,594.90 is: 8,672,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,927,663.40 : 31,392,085.58 = 5,781,594.90 : x
  2. Step 2: Convert to fraction form
    20,927,663.40/31,392,085.58 = 5,781,594.90/x
  3. Step 3: Cross multiply
    20,927,663.40x = 31,392,085.58 × 5,781,594.90
  4. Step 4: Simplify right side
    20,927,663.40x = 181,496,321,904,145.53
  5. Step 5: Solve for x
    x = 181,496,321,904,145.53/20,927,663.40
  6. Step 6: Final answer
    x = 8,672,555.48

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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.