Home / 31,054,168.56-42,854,922.48-18,009,161.76

Finding the Fourth Proportional to 31,054,168.56, 42,854,922.48 and 18,009,161.76

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Solution

The fourth proportional to 31,054,168.56, 42,854,922.48 and 18,009,161.76 is: 24,852,741.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,054,168.56 : 42,854,922.48 = 18,009,161.76 : x
  2. Step 2: Convert to fraction form
    31,054,168.56/42,854,922.48 = 18,009,161.76/x
  3. Step 3: Cross multiply
    31,054,168.56x = 42,854,922.48 × 18,009,161.76
  4. Step 4: Simplify right side
    31,054,168.56x = 771,781,231,154,580.38
  5. Step 5: Solve for x
    x = 771,781,231,154,580.38/31,054,168.56
  6. Step 6: Final answer
    x = 24,852,741.74

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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.