Home / 22,285,106.64-30,759,824.40-13,123,063.76

Finding the Fourth Proportional to 22,285,106.64, 30,759,824.40 and 13,123,063.76

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Solution

The fourth proportional to 22,285,106.64, 30,759,824.40 and 13,123,063.76 is: 18,113,583.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,285,106.64 : 30,759,824.40 = 13,123,063.76 : x
  2. Step 2: Convert to fraction form
    22,285,106.64/30,759,824.40 = 13,123,063.76/x
  3. Step 3: Cross multiply
    22,285,106.64x = 30,759,824.40 × 13,123,063.76
  4. Step 4: Simplify right side
    22,285,106.64x = 403,663,136,847,603.69
  5. Step 5: Solve for x
    x = 403,663,136,847,603.69/22,285,106.64
  6. Step 6: Final answer
    x = 18,113,583.36

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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.