Home / 18,989,141.72-26,204,870.72-10,287,252.08

Finding the Fourth Proportional to 18,989,141.72, 26,204,870.72 and 10,287,252.08

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Solution

The fourth proportional to 18,989,141.72, 26,204,870.72 and 10,287,252.08 is: 14,196,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,989,141.72 : 26,204,870.72 = 10,287,252.08 : x
  2. Step 2: Convert to fraction form
    18,989,141.72/26,204,870.72 = 10,287,252.08/x
  3. Step 3: Cross multiply
    18,989,141.72x = 26,204,870.72 × 10,287,252.08
  4. Step 4: Simplify right side
    18,989,141.72x = 269,576,110,813,413.12
  5. Step 5: Solve for x
    x = 269,576,110,813,413.12/18,989,141.72
  6. Step 6: Final answer
    x = 14,196,329.40

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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.