Home / 6,980,307.30-10,478,334.15-5,389,920.90

Finding the Fourth Proportional to 6,980,307.30, 10,478,334.15 and 5,389,920.90

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Solution

The fourth proportional to 6,980,307.30, 10,478,334.15 and 5,389,920.90 is: 8,090,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980,307.30 : 10,478,334.15 = 5,389,920.90 : x
  2. Step 2: Convert to fraction form
    6,980,307.30/10,478,334.15 = 5,389,920.90/x
  3. Step 3: Cross multiply
    6,980,307.30x = 10,478,334.15 × 5,389,920.90
  4. Step 4: Simplify right side
    6,980,307.30x = 56,477,392,232,268.74
  5. Step 5: Solve for x
    x = 56,477,392,232,268.74/6,980,307.30
  6. Step 6: Final answer
    x = 8,090,960.73

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1.5x scale

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.