Home / 12,074,913.30-18,133,365.15-6,406,209.30

Finding the Fourth Proportional to 12,074,913.30, 18,133,365.15 and 6,406,209.30

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Solution

The fourth proportional to 12,074,913.30, 18,133,365.15 and 6,406,209.30 is: 9,620,452.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074,913.30 : 18,133,365.15 = 6,406,209.30 : x
  2. Step 2: Convert to fraction form
    12,074,913.30/18,133,365.15 = 6,406,209.30/x
  3. Step 3: Cross multiply
    12,074,913.30x = 18,133,365.15 × 6,406,209.30
  4. Step 4: Simplify right side
    12,074,913.30x = 116,166,132,464,225.88
  5. Step 5: Solve for x
    x = 116,166,132,464,225.88/12,074,913.30
  6. Step 6: Final answer
    x = 9,620,452.72

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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.