Home / 37,870,875.42-52,262,047.71-20,467,179.78

Finding the Fourth Proportional to 37,870,875.42, 52,262,047.71 and 20,467,179.78

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Solution

The fourth proportional to 37,870,875.42, 52,262,047.71 and 20,467,179.78 is: 28,244,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,870,875.42 : 52,262,047.71 = 20,467,179.78 : x
  2. Step 2: Convert to fraction form
    37,870,875.42/52,262,047.71 = 20,467,179.78/x
  3. Step 3: Cross multiply
    37,870,875.42x = 52,262,047.71 × 20,467,179.78
  4. Step 4: Simplify right side
    37,870,875.42x = 1,069,656,726,151,507.38
  5. Step 5: Solve for x
    x = 1,069,656,726,151,507.38/37,870,875.42
  6. Step 6: Final answer
    x = 28,244,837.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.