Home / 13,955,670.78-19,256,003.01-8,153,331.51

Finding the Fourth Proportional to 13,955,670.78, 19,256,003.01 and 8,153,331.51

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Solution

The fourth proportional to 13,955,670.78, 19,256,003.01 and 8,153,331.51 is: 11,249,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955,670.78 : 19,256,003.01 = 8,153,331.51 : x
  2. Step 2: Convert to fraction form
    13,955,670.78/19,256,003.01 = 8,153,331.51/x
  3. Step 3: Cross multiply
    13,955,670.78x = 19,256,003.01 × 8,153,331.51
  4. Step 4: Simplify right side
    13,955,670.78x = 157,000,576,098,087.84
  5. Step 5: Solve for x
    x = 157,000,576,098,087.84/13,955,670.78
  6. Step 6: Final answer
    x = 11,249,948.40

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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.