Home / 15,196,402.62-20,971,069.56-8,227,153.62

Finding the Fourth Proportional to 15,196,402.62, 20,971,069.56 and 8,227,153.62

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Solution

The fourth proportional to 15,196,402.62, 20,971,069.56 and 8,227,153.62 is: 11,353,490.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196,402.62 : 20,971,069.56 = 8,227,153.62 : x
  2. Step 2: Convert to fraction form
    15,196,402.62/20,971,069.56 = 8,227,153.62/x
  3. Step 3: Cross multiply
    15,196,402.62x = 20,971,069.56 × 8,227,153.62
  4. Step 4: Simplify right side
    15,196,402.62x = 172,532,210,845,825.81
  5. Step 5: Solve for x
    x = 172,532,210,845,825.81/15,196,402.62
  6. Step 6: Final answer
    x = 11,353,490.37

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1.5x scale

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.