Home / 40,955,971.56-61,410,189.78-19,390,391.16

Finding the Fourth Proportional to 40,955,971.56, 61,410,189.78 and 19,390,391.16

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Solution

The fourth proportional to 40,955,971.56, 61,410,189.78 and 19,390,391.16 is: 29,074,334.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,955,971.56 : 61,410,189.78 = 19,390,391.16 : x
  2. Step 2: Convert to fraction form
    40,955,971.56/61,410,189.78 = 19,390,391.16/x
  3. Step 3: Cross multiply
    40,955,971.56x = 61,410,189.78 × 19,390,391.16
  4. Step 4: Simplify right side
    40,955,971.56x = 1,190,767,601,044,034.50
  5. Step 5: Solve for x
    x = 1,190,767,601,044,034.50/40,955,971.56
  6. Step 6: Final answer
    x = 29,074,334.11

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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.