Home / 12,111,253.53-16,709,338.17-7,762,737.75

Finding the Fourth Proportional to 12,111,253.53, 16,709,338.17 and 7,762,737.75

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Solution

The fourth proportional to 12,111,253.53, 16,709,338.17 and 7,762,737.75 is: 10,709,891.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,111,253.53 : 16,709,338.17 = 7,762,737.75 : x
  2. Step 2: Convert to fraction form
    12,111,253.53/16,709,338.17 = 7,762,737.75/x
  3. Step 3: Cross multiply
    12,111,253.53x = 16,709,338.17 × 7,762,737.75
  4. Step 4: Simplify right side
    12,111,253.53x = 129,710,210,189,774.92
  5. Step 5: Solve for x
    x = 129,710,210,189,774.92/12,111,253.53
  6. Step 6: Final answer
    x = 10,709,891.41

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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.