Home / 7,858,315.13-11,788,900.47-3,247,312.50

Finding the Fourth Proportional to 7,858,315.13, 11,788,900.47 and 3,247,312.50

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Solution

The fourth proportional to 7,858,315.13, 11,788,900.47 and 3,247,312.50 is: 4,871,558.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858,315.13 : 11,788,900.47 = 3,247,312.50 : x
  2. Step 2: Convert to fraction form
    7,858,315.13/11,788,900.47 = 3,247,312.50/x
  3. Step 3: Cross multiply
    7,858,315.13x = 11,788,900.47 × 3,247,312.50
  4. Step 4: Simplify right side
    7,858,315.13x = 38,282,243,857,486.88
  5. Step 5: Solve for x
    x = 38,282,243,857,486.88/7,858,315.13
  6. Step 6: Final answer
    x = 4,871,558.76

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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.