Home / 10,071,943.80-15,107,896.80-3,155,952.60

Finding the Fourth Proportional to 10,071,943.80, 15,107,896.80 and 3,155,952.60

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Solution

The fourth proportional to 10,071,943.80, 15,107,896.80 and 3,155,952.60 is: 4,733,922.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071,943.80 : 15,107,896.80 = 3,155,952.60 : x
  2. Step 2: Convert to fraction form
    10,071,943.80/15,107,896.80 = 3,155,952.60/x
  3. Step 3: Cross multiply
    10,071,943.80x = 15,107,896.80 × 3,155,952.60
  4. Step 4: Simplify right side
    10,071,943.80x = 47,679,806,186,491.69
  5. Step 5: Solve for x
    x = 47,679,806,186,491.69/10,071,943.80
  6. Step 6: Final answer
    x = 4,733,922.98

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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.