Home / 7,438,206.18-11,152,215.69-3,787,870.06

Finding the Fourth Proportional to 7,438,206.18, 11,152,215.69 and 3,787,870.06

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Solution

The fourth proportional to 7,438,206.18, 11,152,215.69 and 3,787,870.06 is: 5,679,211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438,206.18 : 11,152,215.69 = 3,787,870.06 : x
  2. Step 2: Convert to fraction form
    7,438,206.18/11,152,215.69 = 3,787,870.06/x
  3. Step 3: Cross multiply
    7,438,206.18x = 11,152,215.69 × 3,787,870.06
  4. Step 4: Simplify right side
    7,438,206.18x = 42,243,143,914,548.99
  5. Step 5: Solve for x
    x = 42,243,143,914,548.99/7,438,206.18
  6. Step 6: Final answer
    x = 5,679,211.21

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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.