Home / 12,768,402.42-19,155,811.52-3,670,516.48

Finding the Fourth Proportional to 12,768,402.42, 19,155,811.52 and 3,670,516.48

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Solution

The fourth proportional to 12,768,402.42, 19,155,811.52 and 3,670,516.48 is: 5,506,696.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768,402.42 : 19,155,811.52 = 3,670,516.48 : x
  2. Step 2: Convert to fraction form
    12,768,402.42/19,155,811.52 = 3,670,516.48/x
  3. Step 3: Cross multiply
    12,768,402.42x = 19,155,811.52 × 3,670,516.48
  4. Step 4: Simplify right side
    12,768,402.42x = 70,311,721,883,176.62
  5. Step 5: Solve for x
    x = 70,311,721,883,176.62/12,768,402.42
  6. Step 6: Final answer
    x = 5,506,696.89

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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.