Home / 12,635,902.00-17,436,045.10-7,128,955.36

Finding the Fourth Proportional to 12,635,902.00, 17,436,045.10 and 7,128,955.36

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Solution

The fourth proportional to 12,635,902.00, 17,436,045.10 and 7,128,955.36 is: 9,837,112.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635,902.00 : 17,436,045.10 = 7,128,955.36 : x
  2. Step 2: Convert to fraction form
    12,635,902.00/17,436,045.10 = 7,128,955.36/x
  3. Step 3: Cross multiply
    12,635,902.00x = 17,436,045.10 × 7,128,955.36
  4. Step 4: Simplify right side
    12,635,902.00x = 124,300,787,146,695.20
  5. Step 5: Solve for x
    x = 124,300,787,146,695.20/12,635,902.00
  6. Step 6: Final answer
    x = 9,837,112.31

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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.