Home / 7,711,383.61-11,581,482.74-6,788,466.77

Finding the Fourth Proportional to 7,711,383.61, 11,581,482.74 and 6,788,466.77

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Solution

The fourth proportional to 7,711,383.61, 11,581,482.74 and 6,788,466.77 is: 10,195,383.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711,383.61 : 11,581,482.74 = 6,788,466.77 : x
  2. Step 2: Convert to fraction form
    7,711,383.61/11,581,482.74 = 6,788,466.77/x
  3. Step 3: Cross multiply
    7,711,383.61x = 11,581,482.74 × 6,788,466.77
  4. Step 4: Simplify right side
    7,711,383.61x = 78,620,510,635,968.80
  5. Step 5: Solve for x
    x = 78,620,510,635,968.80/7,711,383.61
  6. Step 6: Final answer
    x = 10,195,383.17

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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.