Home / 9,286,995.30-12,816,093.76-5,157,013.81

Finding the Fourth Proportional to 9,286,995.30, 12,816,093.76 and 5,157,013.81

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Solution

The fourth proportional to 9,286,995.30, 12,816,093.76 and 5,157,013.81 is: 7,116,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286,995.30 : 12,816,093.76 = 5,157,013.81 : x
  2. Step 2: Convert to fraction form
    9,286,995.30/12,816,093.76 = 5,157,013.81/x
  3. Step 3: Cross multiply
    9,286,995.30x = 12,816,093.76 × 5,157,013.81
  4. Step 4: Simplify right side
    9,286,995.30x = 66,092,772,465,642.06
  5. Step 5: Solve for x
    x = 66,092,772,465,642.06/9,286,995.30
  6. Step 6: Final answer
    x = 7,116,701.40

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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.