Home / 20,117,968.08-30,176,657.28-4,971,899.04

Finding the Fourth Proportional to 20,117,968.08, 30,176,657.28 and 4,971,899.04

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Solution

The fourth proportional to 20,117,968.08, 30,176,657.28 and 4,971,899.04 is: 7,457,775.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117,968.08 : 30,176,657.28 = 4,971,899.04 : x
  2. Step 2: Convert to fraction form
    20,117,968.08/30,176,657.28 = 4,971,899.04/x
  3. Step 3: Cross multiply
    20,117,968.08x = 30,176,657.28 × 4,971,899.04
  4. Step 4: Simplify right side
    20,117,968.08x = 150,035,293,360,841.03
  5. Step 5: Solve for x
    x = 150,035,293,360,841.03/20,117,968.08
  6. Step 6: Final answer
    x = 7,457,775.69

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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.