Home / 13,014,925.48-17,961,672-7,215,526.36

Finding the Fourth Proportional to 13,014,925.48, 17,961,672 and 7,215,526.36

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Solution

The fourth proportional to 13,014,925.48, 17,961,672 and 7,215,526.36 is: 9,958,022.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014,925.48 : 17,961,672 = 7,215,526.36 : x
  2. Step 2: Convert to fraction form
    13,014,925.48/17,961,672 = 7,215,526.36/x
  3. Step 3: Cross multiply
    13,014,925.48x = 17,961,672 × 7,215,526.36
  4. Step 4: Simplify right side
    13,014,925.48x = 129,602,917,785,673.92
  5. Step 5: Solve for x
    x = 129,602,917,785,673.92/13,014,925.48
  6. Step 6: Final answer
    x = 9,958,022.27

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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.