Home / 15,506,013.50-21,397,907.54-8,536,621.48

Finding the Fourth Proportional to 15,506,013.50, 21,397,907.54 and 8,536,621.48

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Solution

The fourth proportional to 15,506,013.50, 21,397,907.54 and 8,536,621.48 is: 11,780,322.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,506,013.50 : 21,397,907.54 = 8,536,621.48 : x
  2. Step 2: Convert to fraction form
    15,506,013.50/21,397,907.54 = 8,536,621.48/x
  3. Step 3: Cross multiply
    15,506,013.50x = 21,397,907.54 × 8,536,621.48
  4. Step 4: Simplify right side
    15,506,013.50x = 182,665,837,036,840.06
  5. Step 5: Solve for x
    x = 182,665,837,036,840.06/15,506,013.50
  6. Step 6: Final answer
    x = 11,780,322.33

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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.