Home / 31,054,105.92-42,854,836.16-18,009,099.28

Finding the Fourth Proportional to 31,054,105.92, 42,854,836.16 and 18,009,099.28

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Solution

The fourth proportional to 31,054,105.92, 42,854,836.16 and 18,009,099.28 is: 24,852,655.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,054,105.92 : 42,854,836.16 = 18,009,099.28 : x
  2. Step 2: Convert to fraction form
    31,054,105.92/42,854,836.16 = 18,009,099.28/x
  3. Step 3: Cross multiply
    31,054,105.92x = 42,854,836.16 × 18,009,099.28
  4. Step 4: Simplify right side
    31,054,105.92x = 771,776,999,033,574
  5. Step 5: Solve for x
    x = 771,776,999,033,574/31,054,105.92
  6. Step 6: Final answer
    x = 24,852,655.59

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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.