Home / 9,528,953.78-13,149,946.24-5,178,029.69

Finding the Fourth Proportional to 9,528,953.78, 13,149,946.24 and 5,178,029.69

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Solution

The fourth proportional to 9,528,953.78, 13,149,946.24 and 5,178,029.69 is: 7,145,675.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,528,953.78 : 13,149,946.24 = 5,178,029.69 : x
  2. Step 2: Convert to fraction form
    9,528,953.78/13,149,946.24 = 5,178,029.69/x
  3. Step 3: Cross multiply
    9,528,953.78x = 13,149,946.24 × 5,178,029.69
  4. Step 4: Simplify right side
    9,528,953.78x = 68,090,812,087,114.28
  5. Step 5: Solve for x
    x = 68,090,812,087,114.28/9,528,953.78
  6. Step 6: Final answer
    x = 7,145,675.55

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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.