Home / 13,223,427.88-18,248,787.07-7,343,160.49

Finding the Fourth Proportional to 13,223,427.88, 18,248,787.07 and 7,343,160.49

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Solution

The fourth proportional to 13,223,427.88, 18,248,787.07 and 7,343,160.49 is: 10,133,815.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223,427.88 : 18,248,787.07 = 7,343,160.49 : x
  2. Step 2: Convert to fraction form
    13,223,427.88/18,248,787.07 = 7,343,160.49/x
  3. Step 3: Cross multiply
    13,223,427.88x = 18,248,787.07 × 7,343,160.49
  4. Step 4: Simplify right side
    13,223,427.88x = 134,003,772,111,602.94
  5. Step 5: Solve for x
    x = 134,003,772,111,602.94/13,223,427.88
  6. Step 6: Final answer
    x = 10,133,815.03

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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.