Home / 9,406,406.40-14,120,107.20-8,789,672.40

Finding the Fourth Proportional to 9,406,406.40, 14,120,107.20 and 8,789,672.40

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Solution

The fourth proportional to 9,406,406.40, 14,120,107.20 and 8,789,672.40 is: 13,194,317.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,406,406.40 : 14,120,107.20 = 8,789,672.40 : x
  2. Step 2: Convert to fraction form
    9,406,406.40/14,120,107.20 = 8,789,672.40/x
  3. Step 3: Cross multiply
    9,406,406.40x = 14,120,107.20 × 8,789,672.40
  4. Step 4: Simplify right side
    9,406,406.40x = 124,111,116,540,881.28
  5. Step 5: Solve for x
    x = 124,111,116,540,881.28/9,406,406.40
  6. Step 6: Final answer
    x = 13,194,317.92

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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.