Home / 19,885,186.27-27,438,349.72-11,182,839.90

Finding the Fourth Proportional to 19,885,186.27, 27,438,349.72 and 11,182,839.90

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Solution

The fourth proportional to 19,885,186.27, 27,438,349.72 and 11,182,839.90 is: 15,430,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885,186.27 : 27,438,349.72 = 11,182,839.90 : x
  2. Step 2: Convert to fraction form
    19,885,186.27/27,438,349.72 = 11,182,839.90/x
  3. Step 3: Cross multiply
    19,885,186.27x = 27,438,349.72 × 11,182,839.90
  4. Step 4: Simplify right side
    19,885,186.27x = 306,838,672,038,969.81
  5. Step 5: Solve for x
    x = 306,838,672,038,969.81/19,885,186.27
  6. Step 6: Final answer
    x = 15,430,515.35

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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.