Home / 8,409,349.67-12,567,938.06-6,139,653.72

Finding the Fourth Proportional to 8,409,349.67, 12,567,938.06 and 6,139,653.72

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Solution

The fourth proportional to 8,409,349.67, 12,567,938.06 and 6,139,653.72 is: 9,175,832.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409,349.67 : 12,567,938.06 = 6,139,653.72 : x
  2. Step 2: Convert to fraction form
    8,409,349.67/12,567,938.06 = 6,139,653.72/x
  3. Step 3: Cross multiply
    8,409,349.67x = 12,567,938.06 × 6,139,653.72
  4. Step 4: Simplify right side
    8,409,349.67x = 77,162,787,632,110.31
  5. Step 5: Solve for x
    x = 77,162,787,632,110.31/8,409,349.67
  6. Step 6: Final answer
    x = 9,175,832.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.