Home / 13,306,684.38-18,363,463.59-7,804,028.05

Finding the Fourth Proportional to 13,306,684.38, 18,363,463.59 and 7,804,028.05

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Solution

The fourth proportional to 13,306,684.38, 18,363,463.59 and 7,804,028.05 is: 10,769,698.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,684.38 : 18,363,463.59 = 7,804,028.05 : x
  2. Step 2: Convert to fraction form
    13,306,684.38/18,363,463.59 = 7,804,028.05/x
  3. Step 3: Cross multiply
    13,306,684.38x = 18,363,463.59 × 7,804,028.05
  4. Step 4: Simplify right side
    13,306,684.38x = 143,308,984,934,870.16
  5. Step 5: Solve for x
    x = 143,308,984,934,870.16/13,306,684.38
  6. Step 6: Final answer
    x = 10,769,698.96

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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.