Home / 12,900,106.44-17,801,700.48-7,098,345.36

Finding the Fourth Proportional to 12,900,106.44, 17,801,700.48 and 7,098,345.36

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Solution

The fourth proportional to 12,900,106.44, 17,801,700.48 and 7,098,345.36 is: 9,795,470.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,900,106.44 : 17,801,700.48 = 7,098,345.36 : x
  2. Step 2: Convert to fraction form
    12,900,106.44/17,801,700.48 = 7,098,345.36/x
  3. Step 3: Cross multiply
    12,900,106.44x = 17,801,700.48 × 7,098,345.36
  4. Step 4: Simplify right side
    12,900,106.44x = 126,362,618,002,317.78
  5. Step 5: Solve for x
    x = 126,362,618,002,317.78/12,900,106.44
  6. Step 6: Final answer
    x = 9,795,470.96

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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.