Home / 9,689,055.89-13,370,889.78-5,338,142.20

Finding the Fourth Proportional to 9,689,055.89, 13,370,889.78 and 5,338,142.20

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Solution

The fourth proportional to 9,689,055.89, 13,370,889.78 and 5,338,142.20 is: 7,366,632.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,689,055.89 : 13,370,889.78 = 5,338,142.20 : x
  2. Step 2: Convert to fraction form
    9,689,055.89/13,370,889.78 = 5,338,142.20/x
  3. Step 3: Cross multiply
    9,689,055.89x = 13,370,889.78 × 5,338,142.20
  4. Step 4: Simplify right side
    9,689,055.89x = 71,375,710,956,771.89
  5. Step 5: Solve for x
    x = 71,375,710,956,771.89/9,689,055.89
  6. Step 6: Final answer
    x = 7,366,632.18

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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.