Home / 6,912,578.40-10,368,867.60-6,492,674.40

Finding the Fourth Proportional to 6,912,578.40, 10,368,867.60 and 6,492,674.40

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Solution

The fourth proportional to 6,912,578.40, 10,368,867.60 and 6,492,674.40 is: 9,739,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,578.40 : 10,368,867.60 = 6,492,674.40 : x
  2. Step 2: Convert to fraction form
    6,912,578.40/10,368,867.60 = 6,492,674.40/x
  3. Step 3: Cross multiply
    6,912,578.40x = 10,368,867.60 × 6,492,674.40
  4. Step 4: Simplify right side
    6,912,578.40x = 67,321,681,223,509.45
  5. Step 5: Solve for x
    x = 67,321,681,223,509.45/6,912,578.40
  6. Step 6: Final answer
    x = 9,739,011.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.