Home / 18,982,975.32-26,196,355.80-10,280,947.68

Finding the Fourth Proportional to 18,982,975.32, 26,196,355.80 and 10,280,947.68

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Solution

The fourth proportional to 18,982,975.32, 26,196,355.80 and 10,280,947.68 is: 14,187,626.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982,975.32 : 26,196,355.80 = 10,280,947.68 : x
  2. Step 2: Convert to fraction form
    18,982,975.32/26,196,355.80 = 10,280,947.68/x
  3. Step 3: Cross multiply
    18,982,975.32x = 26,196,355.80 × 10,280,947.68
  4. Step 4: Simplify right side
    18,982,975.32x = 269,323,363,386,464.53
  5. Step 5: Solve for x
    x = 269,323,363,386,464.53/18,982,975.32
  6. Step 6: Final answer
    x = 14,187,626.48

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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.