Home / 13,870,778.04-20,814,386.63-7,727,901.35

Finding the Fourth Proportional to 13,870,778.04, 20,814,386.63 and 7,727,901.35

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Solution

The fourth proportional to 13,870,778.04, 20,814,386.63 and 7,727,901.35 is: 11,596,431.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870,778.04 : 20,814,386.63 = 7,727,901.35 : x
  2. Step 2: Convert to fraction form
    13,870,778.04/20,814,386.63 = 7,727,901.35/x
  3. Step 3: Cross multiply
    13,870,778.04x = 20,814,386.63 × 7,727,901.35
  4. Step 4: Simplify right side
    13,870,778.04x = 160,851,526,394,687.50
  5. Step 5: Solve for x
    x = 160,851,526,394,687.50/13,870,778.04
  6. Step 6: Final answer
    x = 11,596,431.43

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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.