Home / 9,164,691.28-12,645,868.04-5,296,465.40

Finding the Fourth Proportional to 9,164,691.28, 12,645,868.04 and 5,296,465.40

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Solution

The fourth proportional to 9,164,691.28, 12,645,868.04 and 5,296,465.40 is: 7,308,309.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,164,691.28 : 12,645,868.04 = 5,296,465.40 : x
  2. Step 2: Convert to fraction form
    9,164,691.28/12,645,868.04 = 5,296,465.40/x
  3. Step 3: Cross multiply
    9,164,691.28x = 12,645,868.04 × 5,296,465.40
  4. Step 4: Simplify right side
    9,164,691.28x = 66,978,402,526,825.81
  5. Step 5: Solve for x
    x = 66,978,402,526,825.81/9,164,691.28
  6. Step 6: Final answer
    x = 7,308,309.74

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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.