Home / 20,886,923.59-31,323,290.29-7,236,884.05

Finding the Fourth Proportional to 20,886,923.59, 31,323,290.29 and 7,236,884.05

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Solution

The fourth proportional to 20,886,923.59, 31,323,290.29 and 7,236,884.05 is: 10,852,867.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,886,923.59 : 31,323,290.29 = 7,236,884.05 : x
  2. Step 2: Convert to fraction form
    20,886,923.59/31,323,290.29 = 7,236,884.05/x
  3. Step 3: Cross multiply
    20,886,923.59x = 31,323,290.29 × 7,236,884.05
  4. Step 4: Simplify right side
    20,886,923.59x = 226,683,019,796,820.47
  5. Step 5: Solve for x
    x = 226,683,019,796,820.47/20,886,923.59
  6. Step 6: Final answer
    x = 10,852,867.77

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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.