Home / 13,117,754.38-18,102,525.90-7,316,911.84

Finding the Fourth Proportional to 13,117,754.38, 18,102,525.90 and 7,316,911.84

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Solution

The fourth proportional to 13,117,754.38, 18,102,525.90 and 7,316,911.84 is: 10,097,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117,754.38 : 18,102,525.90 = 7,316,911.84 : x
  2. Step 2: Convert to fraction form
    13,117,754.38/18,102,525.90 = 7,316,911.84/x
  3. Step 3: Cross multiply
    13,117,754.38x = 18,102,525.90 × 7,316,911.84
  4. Step 4: Simplify right side
    13,117,754.38x = 132,454,586,091,616.64
  5. Step 5: Solve for x
    x = 132,454,586,091,616.64/13,117,754.38
  6. Step 6: Final answer
    x = 10,097,352.20

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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.