Home / 12,979,563.93-17,911,073.43-7,098,037.47

Finding the Fourth Proportional to 12,979,563.93, 17,911,073.43 and 7,098,037.47

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Solution

The fourth proportional to 12,979,563.93, 17,911,073.43 and 7,098,037.47 is: 9,794,895.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979,563.93 : 17,911,073.43 = 7,098,037.47 : x
  2. Step 2: Convert to fraction form
    12,979,563.93/17,911,073.43 = 7,098,037.47/x
  3. Step 3: Cross multiply
    12,979,563.93x = 17,911,073.43 × 7,098,037.47
  4. Step 4: Simplify right side
    12,979,563.93x = 127,133,470,334,061.42
  5. Step 5: Solve for x
    x = 127,133,470,334,061.42/12,979,563.93
  6. Step 6: Final answer
    x = 9,794,895.35

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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.