Home / 18,881,854.30-26,056,202.07-11,149,386.94

Finding the Fourth Proportional to 18,881,854.30, 26,056,202.07 and 11,149,386.94

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Solution

The fourth proportional to 18,881,854.30, 26,056,202.07 and 11,149,386.94 is: 15,385,707.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,881,854.30 : 26,056,202.07 = 11,149,386.94 : x
  2. Step 2: Convert to fraction form
    18,881,854.30/26,056,202.07 = 11,149,386.94/x
  3. Step 3: Cross multiply
    18,881,854.30x = 26,056,202.07 × 11,149,386.94
  4. Step 4: Simplify right side
    18,881,854.30x = 290,510,679,065,258.94
  5. Step 5: Solve for x
    x = 290,510,679,065,258.94/18,881,854.30
  6. Step 6: Final answer
    x = 15,385,707.06

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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.