Home / 14,012,729.53-19,337,578.79-7,817,777.20

Finding the Fourth Proportional to 14,012,729.53, 19,337,578.79 and 7,817,777.20

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Solution

The fourth proportional to 14,012,729.53, 19,337,578.79 and 7,817,777.20 is: 10,788,539.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012,729.53 : 19,337,578.79 = 7,817,777.20 : x
  2. Step 2: Convert to fraction form
    14,012,729.53/19,337,578.79 = 7,817,777.20/x
  3. Step 3: Cross multiply
    14,012,729.53x = 19,337,578.79 × 7,817,777.20
  4. Step 4: Simplify right side
    14,012,729.53x = 151,176,882,528,576.72
  5. Step 5: Solve for x
    x = 151,176,882,528,576.72/14,012,729.53
  6. Step 6: Final answer
    x = 10,788,539.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.