Home / 13,167,133.34-18,170,670.58-7,366,011.96

Finding the Fourth Proportional to 13,167,133.34, 18,170,670.58 and 7,366,011.96

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Solution

The fourth proportional to 13,167,133.34, 18,170,670.58 and 7,366,011.96 is: 10,165,111.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167,133.34 : 18,170,670.58 = 7,366,011.96 : x
  2. Step 2: Convert to fraction form
    13,167,133.34/18,170,670.58 = 7,366,011.96/x
  3. Step 3: Cross multiply
    13,167,133.34x = 18,170,670.58 × 7,366,011.96
  4. Step 4: Simplify right side
    13,167,133.34x = 133,845,376,813,500.12
  5. Step 5: Solve for x
    x = 133,845,376,813,500.12/13,167,133.34
  6. Step 6: Final answer
    x = 10,165,111.37

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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.