Home / 7,208,187.36-9,894,312.12-6,374,116.32

Finding the Fourth Proportional to 7,208,187.36, 9,894,312.12 and 6,374,116.32

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Solution

The fourth proportional to 7,208,187.36, 9,894,312.12 and 6,374,116.32 is: 8,749,425.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208,187.36 : 9,894,312.12 = 6,374,116.32 : x
  2. Step 2: Convert to fraction form
    7,208,187.36/9,894,312.12 = 6,374,116.32/x
  3. Step 3: Cross multiply
    7,208,187.36x = 9,894,312.12 × 6,374,116.32
  4. Step 4: Simplify right side
    7,208,187.36x = 63,067,496,359,265.80
  5. Step 5: Solve for x
    x = 63,067,496,359,265.80/7,208,187.36
  6. Step 6: Final answer
    x = 8,749,425.23

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.