Home / 7,003,904.15-9,665,403.67-3,948,118.40

Finding the Fourth Proportional to 7,003,904.15, 9,665,403.67 and 3,948,118.40

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Solution

The fourth proportional to 7,003,904.15, 9,665,403.67 and 3,948,118.40 is: 5,448,412.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003,904.15 : 9,665,403.67 = 3,948,118.40 : x
  2. Step 2: Convert to fraction form
    7,003,904.15/9,665,403.67 = 3,948,118.40/x
  3. Step 3: Cross multiply
    7,003,904.15x = 9,665,403.67 × 3,948,118.40
  4. Step 4: Simplify right side
    7,003,904.15x = 38,160,158,102,053.19
  5. Step 5: Solve for x
    x = 38,160,158,102,053.19/7,003,904.15
  6. Step 6: Final answer
    x = 5,448,412.38

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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.