Home / 15,724,913.61-21,701,273.91-9,447,361.08

Finding the Fourth Proportional to 15,724,913.61, 21,701,273.91 and 9,447,361.08

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Solution

The fourth proportional to 15,724,913.61, 21,701,273.91 and 9,447,361.08 is: 13,037,894.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,724,913.61 : 21,701,273.91 = 9,447,361.08 : x
  2. Step 2: Convert to fraction form
    15,724,913.61/21,701,273.91 = 9,447,361.08/x
  3. Step 3: Cross multiply
    15,724,913.61x = 21,701,273.91 × 9,447,361.08
  4. Step 4: Simplify right side
    15,724,913.61x = 205,019,770,523,753.44
  5. Step 5: Solve for x
    x = 205,019,770,523,753.44/15,724,913.61
  6. Step 6: Final answer
    x = 13,037,894.87

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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.