Home / 13,879,973.01-19,154,961.33-7,685,019.85

Finding the Fourth Proportional to 13,879,973.01, 19,154,961.33 and 7,685,019.85

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Solution

The fourth proportional to 13,879,973.01, 19,154,961.33 and 7,685,019.85 is: 10,605,658.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879,973.01 : 19,154,961.33 = 7,685,019.85 : x
  2. Step 2: Convert to fraction form
    13,879,973.01/19,154,961.33 = 7,685,019.85/x
  3. Step 3: Cross multiply
    13,879,973.01x = 19,154,961.33 × 7,685,019.85
  4. Step 4: Simplify right side
    13,879,973.01x = 147,206,258,047,032.38
  5. Step 5: Solve for x
    x = 147,206,258,047,032.38/13,879,973.01
  6. Step 6: Final answer
    x = 10,605,658.81

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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.