Home / 9,007,855.46-12,431,729.69-5,140,955.15

Finding the Fourth Proportional to 9,007,855.46, 12,431,729.69 and 5,140,955.15

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Solution

The fourth proportional to 9,007,855.46, 12,431,729.69 and 5,140,955.15 is: 7,095,025.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007,855.46 : 12,431,729.69 = 5,140,955.15 : x
  2. Step 2: Convert to fraction form
    9,007,855.46/12,431,729.69 = 5,140,955.15/x
  3. Step 3: Cross multiply
    9,007,855.46x = 12,431,729.69 × 5,140,955.15
  4. Step 4: Simplify right side
    9,007,855.46x = 63,910,964,780,165.42
  5. Step 5: Solve for x
    x = 63,910,964,780,165.42/9,007,855.46
  6. Step 6: Final answer
    x = 7,095,025.57

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1.5x scale

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.