Home / 40,456,703.64-55,829,740.14-22,121,945.40

Finding the Fourth Proportional to 40,456,703.64, 55,829,740.14 and 22,121,945.40

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Solution

The fourth proportional to 40,456,703.64, 55,829,740.14 and 22,121,945.40 is: 30,528,005.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,456,703.64 : 55,829,740.14 = 22,121,945.40 : x
  2. Step 2: Convert to fraction form
    40,456,703.64/55,829,740.14 = 22,121,945.40/x
  3. Step 3: Cross multiply
    40,456,703.64x = 55,829,740.14 × 22,121,945.40
  4. Step 4: Simplify right side
    40,456,703.64x = 1,235,062,463,073,268.25
  5. Step 5: Solve for x
    x = 1,235,062,463,073,268.25/40,456,703.64
  6. Step 6: Final answer
    x = 30,528,005.30

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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.