Home / 13,149,907.98-18,146,820.49-7,348,688.20

Finding the Fourth Proportional to 13,149,907.98, 18,146,820.49 and 7,348,688.20

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Solution

The fourth proportional to 13,149,907.98, 18,146,820.49 and 7,348,688.20 is: 10,141,160.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149,907.98 : 18,146,820.49 = 7,348,688.20 : x
  2. Step 2: Convert to fraction form
    13,149,907.98/18,146,820.49 = 7,348,688.20/x
  3. Step 3: Cross multiply
    13,149,907.98x = 18,146,820.49 × 7,348,688.20
  4. Step 4: Simplify right side
    13,149,907.98x = 133,355,325,602,381.20
  5. Step 5: Solve for x
    x = 133,355,325,602,381.20/13,149,907.98
  6. Step 6: Final answer
    x = 10,141,160.36

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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.