Home / 7,336,010.40-10,979,132.40-6,440,215.20

Finding the Fourth Proportional to 7,336,010.40, 10,979,132.40 and 6,440,215.20

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Solution

The fourth proportional to 7,336,010.40, 10,979,132.40 and 6,440,215.20 is: 9,638,478.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,336,010.40 : 10,979,132.40 = 6,440,215.20 : x
  2. Step 2: Convert to fraction form
    7,336,010.40/10,979,132.40 = 6,440,215.20/x
  3. Step 3: Cross multiply
    7,336,010.40x = 10,979,132.40 × 6,440,215.20
  4. Step 4: Simplify right side
    7,336,010.40x = 70,707,975,365,292.48
  5. Step 5: Solve for x
    x = 70,707,975,365,292.48/7,336,010.40
  6. Step 6: Final answer
    x = 9,638,478.07

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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.