Home / 7,021,138.20-10,531,707.30-5,887,397.40

Finding the Fourth Proportional to 7,021,138.20, 10,531,707.30 and 5,887,397.40

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Solution

The fourth proportional to 7,021,138.20, 10,531,707.30 and 5,887,397.40 is: 8,831,096.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021,138.20 : 10,531,707.30 = 5,887,397.40 : x
  2. Step 2: Convert to fraction form
    7,021,138.20/10,531,707.30 = 5,887,397.40/x
  3. Step 3: Cross multiply
    7,021,138.20x = 10,531,707.30 × 5,887,397.40
  4. Step 4: Simplify right side
    7,021,138.20x = 62,004,346,175,581.03
  5. Step 5: Solve for x
    x = 62,004,346,175,581.03/7,021,138.20
  6. Step 6: Final answer
    x = 8,831,096.10

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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.