Home / 10,999,754-16,500,078.16-5,239,526.48

Finding the Fourth Proportional to 10,999,754, 16,500,078.16 and 5,239,526.48

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Solution

The fourth proportional to 10,999,754, 16,500,078.16 and 5,239,526.48 is: 7,859,502.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999,754 : 16,500,078.16 = 5,239,526.48 : x
  2. Step 2: Convert to fraction form
    10,999,754/16,500,078.16 = 5,239,526.48/x
  3. Step 3: Cross multiply
    10,999,754x = 16,500,078.16 × 5,239,526.48
  4. Step 4: Simplify right side
    10,999,754x = 86,452,596,441,389.69
  5. Step 5: Solve for x
    x = 86,452,596,441,389.69/10,999,754
  6. Step 6: Final answer
    x = 7,859,502.72

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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.