Home / 9,528,956.29-13,149,949.71-5,178,032.22

Finding the Fourth Proportional to 9,528,956.29, 13,149,949.71 and 5,178,032.22

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Solution

The fourth proportional to 9,528,956.29, 13,149,949.71 and 5,178,032.22 is: 7,145,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,528,956.29 : 13,149,949.71 = 5,178,032.22 : x
  2. Step 2: Convert to fraction form
    9,528,956.29/13,149,949.71 = 5,178,032.22/x
  3. Step 3: Cross multiply
    9,528,956.29x = 13,149,949.71 × 5,178,032.22
  4. Step 4: Simplify right side
    9,528,956.29x = 68,090,863,329,363.16
  5. Step 5: Solve for x
    x = 68,090,863,329,363.16/9,528,956.29
  6. Step 6: Final answer
    x = 7,145,679.05

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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.