Home / 36,657,825.32-50,587,832.40-20,139,019.76

Finding the Fourth Proportional to 36,657,825.32, 50,587,832.40 and 20,139,019.76

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Solution

The fourth proportional to 36,657,825.32, 50,587,832.40 and 20,139,019.76 is: 27,791,865.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,657,825.32 : 50,587,832.40 = 20,139,019.76 : x
  2. Step 2: Convert to fraction form
    36,657,825.32/50,587,832.40 = 20,139,019.76/x
  3. Step 3: Cross multiply
    36,657,825.32x = 50,587,832.40 × 20,139,019.76
  4. Step 4: Simplify right side
    36,657,825.32x = 1,018,789,356,319,168.25
  5. Step 5: Solve for x
    x = 1,018,789,356,319,168.25/36,657,825.32
  6. Step 6: Final answer
    x = 27,791,865.65

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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.