Home / 9,515,609.79-13,130,943.57-5,386,479.06

Finding the Fourth Proportional to 9,515,609.79, 13,130,943.57 and 5,386,479.06

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Solution

The fourth proportional to 9,515,609.79, 13,130,943.57 and 5,386,479.06 is: 7,433,002.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,609.79 : 13,130,943.57 = 5,386,479.06 : x
  2. Step 2: Convert to fraction form
    9,515,609.79/13,130,943.57 = 5,386,479.06/x
  3. Step 3: Cross multiply
    9,515,609.79x = 13,130,943.57 × 5,386,479.06
  4. Step 4: Simplify right side
    9,515,609.79x = 70,729,552,577,846.64
  5. Step 5: Solve for x
    x = 70,729,552,577,846.64/9,515,609.79
  6. Step 6: Final answer
    x = 7,433,002.63

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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.