Home / 9,768,324.79-13,481,116.30-5,418,812.51

Finding the Fourth Proportional to 9,768,324.79, 13,481,116.30 and 5,418,812.51

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Solution

The fourth proportional to 9,768,324.79, 13,481,116.30 and 5,418,812.51 is: 7,478,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,768,324.79 : 13,481,116.30 = 5,418,812.51 : x
  2. Step 2: Convert to fraction form
    9,768,324.79/13,481,116.30 = 5,418,812.51/x
  3. Step 3: Cross multiply
    9,768,324.79x = 13,481,116.30 × 5,418,812.51
  4. Step 4: Simplify right side
    9,768,324.79x = 73,051,641,655,204.91
  5. Step 5: Solve for x
    x = 73,051,641,655,204.91/9,768,324.79
  6. Step 6: Final answer
    x = 7,478,420.63

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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.