Home / 11,814,271.20-17,721,406.80-7,776,194.40

Finding the Fourth Proportional to 11,814,271.20, 17,721,406.80 and 7,776,194.40

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Solution

The fourth proportional to 11,814,271.20, 17,721,406.80 and 7,776,194.40 is: 11,664,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,814,271.20 : 17,721,406.80 = 7,776,194.40 : x
  2. Step 2: Convert to fraction form
    11,814,271.20/17,721,406.80 = 7,776,194.40/x
  3. Step 3: Cross multiply
    11,814,271.20x = 17,721,406.80 × 7,776,194.40
  4. Step 4: Simplify right side
    11,814,271.20x = 137,805,104,318,281.94
  5. Step 5: Solve for x
    x = 137,805,104,318,281.94/11,814,271.20
  6. Step 6: Final answer
    x = 11,664,291.60

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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.