Home / 8,870,651.85-12,241,428.26-5,149,828.11

Finding the Fourth Proportional to 8,870,651.85, 12,241,428.26 and 5,149,828.11

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Solution

The fourth proportional to 8,870,651.85, 12,241,428.26 and 5,149,828.11 is: 7,106,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870,651.85 : 12,241,428.26 = 5,149,828.11 : x
  2. Step 2: Convert to fraction form
    8,870,651.85/12,241,428.26 = 5,149,828.11/x
  3. Step 3: Cross multiply
    8,870,651.85x = 12,241,428.26 × 5,149,828.11
  4. Step 4: Simplify right side
    8,870,651.85x = 63,041,251,334,147.26
  5. Step 5: Solve for x
    x = 63,041,251,334,147.26/8,870,651.85
  6. Step 6: Final answer
    x = 7,106,721.40

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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.