Home / 10,668,455.55-15,986,518.56-7,061,299.76

Finding the Fourth Proportional to 10,668,455.55, 15,986,518.56 and 7,061,299.76

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Solution

The fourth proportional to 10,668,455.55, 15,986,518.56 and 7,061,299.76 is: 10,581,250.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668,455.55 : 15,986,518.56 = 7,061,299.76 : x
  2. Step 2: Convert to fraction form
    10,668,455.55/15,986,518.56 = 7,061,299.76/x
  3. Step 3: Cross multiply
    10,668,455.55x = 15,986,518.56 × 7,061,299.76
  4. Step 4: Simplify right side
    10,668,455.55x = 112,885,599,670,963.55
  5. Step 5: Solve for x
    x = 112,885,599,670,963.55/10,668,455.55
  6. Step 6: Final answer
    x = 10,581,250.41

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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.