Home / 9,997,419.92-13,796,436.12-5,413,740.08

Finding the Fourth Proportional to 9,997,419.92, 13,796,436.12 and 5,413,740.08

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Solution

The fourth proportional to 9,997,419.92, 13,796,436.12 and 5,413,740.08 is: 7,470,959.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,997,419.92 : 13,796,436.12 = 5,413,740.08 : x
  2. Step 2: Convert to fraction form
    9,997,419.92/13,796,436.12 = 5,413,740.08/x
  3. Step 3: Cross multiply
    9,997,419.92x = 13,796,436.12 × 5,413,740.08
  4. Step 4: Simplify right side
    9,997,419.92x = 74,690,319,184,003.69
  5. Step 5: Solve for x
    x = 74,690,319,184,003.69/9,997,419.92
  6. Step 6: Final answer
    x = 7,470,959.49

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1.5x scale

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.