Home / 9,036,329.88-12,470,079.12-5,168,915.64

Finding the Fourth Proportional to 9,036,329.88, 12,470,079.12 and 5,168,915.64

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Solution

The fourth proportional to 9,036,329.88, 12,470,079.12 and 5,168,915.64 is: 7,133,071.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,036,329.88 : 12,470,079.12 = 5,168,915.64 : x
  2. Step 2: Convert to fraction form
    9,036,329.88/12,470,079.12 = 5,168,915.64/x
  3. Step 3: Cross multiply
    9,036,329.88x = 12,470,079.12 × 5,168,915.64
  4. Step 4: Simplify right side
    9,036,329.88x = 64,456,786,995,405.43
  5. Step 5: Solve for x
    x = 64,456,786,995,405.43/9,036,329.88
  6. Step 6: Final answer
    x = 7,133,071.48

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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.