Home / 15,553,837.80-23,330,756.70-13,286,356.20

Finding the Fourth Proportional to 15,553,837.80, 23,330,756.70 and 13,286,356.20

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Solution

The fourth proportional to 15,553,837.80, 23,330,756.70 and 13,286,356.20 is: 19,929,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553,837.80 : 23,330,756.70 = 13,286,356.20 : x
  2. Step 2: Convert to fraction form
    15,553,837.80/23,330,756.70 = 13,286,356.20/x
  3. Step 3: Cross multiply
    15,553,837.80x = 23,330,756.70 × 13,286,356.20
  4. Step 4: Simplify right side
    15,553,837.80x = 309,980,743,931,736.50
  5. Step 5: Solve for x
    x = 309,980,743,931,736.50/15,553,837.80
  6. Step 6: Final answer
    x = 19,929,534.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.