Home / 15,019,420.39-22,531,933.06-6,822,638.40

Finding the Fourth Proportional to 15,019,420.39, 22,531,933.06 and 6,822,638.40

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Solution

The fourth proportional to 15,019,420.39, 22,531,933.06 and 6,822,638.40 is: 10,235,230.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019,420.39 : 22,531,933.06 = 6,822,638.40 : x
  2. Step 2: Convert to fraction form
    15,019,420.39/22,531,933.06 = 6,822,638.40/x
  3. Step 3: Cross multiply
    15,019,420.39x = 22,531,933.06 × 6,822,638.40
  4. Step 4: Simplify right side
    15,019,420.39x = 153,727,231,827,201
  5. Step 5: Solve for x
    x = 153,727,231,827,201/15,019,420.39
  6. Step 6: Final answer
    x = 10,235,230.64

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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.