Home / 7,086,487.20-10,629,730.80-3,492,938.40

Finding the Fourth Proportional to 7,086,487.20, 10,629,730.80 and 3,492,938.40

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Solution

The fourth proportional to 7,086,487.20, 10,629,730.80 and 3,492,938.40 is: 5,239,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086,487.20 : 10,629,730.80 = 3,492,938.40 : x
  2. Step 2: Convert to fraction form
    7,086,487.20/10,629,730.80 = 3,492,938.40/x
  3. Step 3: Cross multiply
    7,086,487.20x = 10,629,730.80 × 3,492,938.40
  4. Step 4: Simplify right side
    7,086,487.20x = 37,128,994,892,982.72
  5. Step 5: Solve for x
    x = 37,128,994,892,982.72/7,086,487.20
  6. Step 6: Final answer
    x = 5,239,407.60

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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.