Home / 9,086,528.79-12,539,489.81-4,956,578.28

Finding the Fourth Proportional to 9,086,528.79, 12,539,489.81 and 4,956,578.28

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Solution

The fourth proportional to 9,086,528.79, 12,539,489.81 and 4,956,578.28 is: 6,840,121.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,086,528.79 : 12,539,489.81 = 4,956,578.28 : x
  2. Step 2: Convert to fraction form
    9,086,528.79/12,539,489.81 = 4,956,578.28/x
  3. Step 3: Cross multiply
    9,086,528.79x = 12,539,489.81 × 4,956,578.28
  4. Step 4: Simplify right side
    9,086,528.79x = 62,152,962,834,527.34
  5. Step 5: Solve for x
    x = 62,152,962,834,527.34/9,086,528.79
  6. Step 6: Final answer
    x = 6,840,121.71

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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.