Home / 11,431,012.84-15,787,889.98-7,528,215.36

Finding the Fourth Proportional to 11,431,012.84, 15,787,889.98 and 7,528,215.36

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Solution

The fourth proportional to 11,431,012.84, 15,787,889.98 and 7,528,215.36 is: 10,397,559.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,431,012.84 : 15,787,889.98 = 7,528,215.36 : x
  2. Step 2: Convert to fraction form
    11,431,012.84/15,787,889.98 = 7,528,215.36/x
  3. Step 3: Cross multiply
    11,431,012.84x = 15,787,889.98 × 7,528,215.36
  4. Step 4: Simplify right side
    11,431,012.84x = 118,854,635,849,426.09
  5. Step 5: Solve for x
    x = 118,854,635,849,426.09/11,431,012.84
  6. Step 6: Final answer
    x = 10,397,559.47

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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.