Home / 7,135,879.13-9,847,518.33-3,872,693.01

Finding the Fourth Proportional to 7,135,879.13, 9,847,518.33 and 3,872,693.01

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Solution

The fourth proportional to 7,135,879.13, 9,847,518.33 and 3,872,693.01 is: 5,344,319.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135,879.13 : 9,847,518.33 = 3,872,693.01 : x
  2. Step 2: Convert to fraction form
    7,135,879.13/9,847,518.33 = 3,872,693.01/x
  3. Step 3: Cross multiply
    7,135,879.13x = 9,847,518.33 × 3,872,693.01
  4. Step 4: Simplify right side
    7,135,879.13x = 38,136,415,402,437.88
  5. Step 5: Solve for x
    x = 38,136,415,402,437.88/7,135,879.13
  6. Step 6: Final answer
    x = 5,344,319.14

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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.