Home / 9,415,152.34-12,992,527.65-5,340,683.86

Finding the Fourth Proportional to 9,415,152.34, 12,992,527.65 and 5,340,683.86

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Solution

The fourth proportional to 9,415,152.34, 12,992,527.65 and 5,340,683.86 is: 7,369,926.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415,152.34 : 12,992,527.65 = 5,340,683.86 : x
  2. Step 2: Convert to fraction form
    9,415,152.34/12,992,527.65 = 5,340,683.86/x
  3. Step 3: Cross multiply
    9,415,152.34x = 12,992,527.65 × 5,340,683.86
  4. Step 4: Simplify right side
    9,415,152.34x = 69,388,982,720,958.73
  5. Step 5: Solve for x
    x = 69,388,982,720,958.73/9,415,152.34
  6. Step 6: Final answer
    x = 7,369,926.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.