Home / 9,758,421-13,466,700.12-5,407,579.92

Finding the Fourth Proportional to 9,758,421, 13,466,700.12 and 5,407,579.92

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Solution

The fourth proportional to 9,758,421, 13,466,700.12 and 5,407,579.92 is: 7,462,504.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,758,421 : 13,466,700.12 = 5,407,579.92 : x
  2. Step 2: Convert to fraction form
    9,758,421/13,466,700.12 = 5,407,579.92/x
  3. Step 3: Cross multiply
    9,758,421x = 13,466,700.12 × 5,407,579.92
  4. Step 4: Simplify right side
    9,758,421x = 72,822,257,157,573.58
  5. Step 5: Solve for x
    x = 72,822,257,157,573.58/9,758,421
  6. Step 6: Final answer
    x = 7,462,504.14

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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.