Home / 21,069,694.00-31,607,071.07-7,420,017.36

Finding the Fourth Proportional to 21,069,694.00, 31,607,071.07 and 7,420,017.36

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Solution

The fourth proportional to 21,069,694.00, 31,607,071.07 and 7,420,017.36 is: 11,130,917.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,069,694.00 : 31,607,071.07 = 7,420,017.36 : x
  2. Step 2: Convert to fraction form
    21,069,694.00/31,607,071.07 = 7,420,017.36/x
  3. Step 3: Cross multiply
    21,069,694.00x = 31,607,071.07 × 7,420,017.36
  4. Step 4: Simplify right side
    21,069,694.00x = 234,525,016,001,053.72
  5. Step 5: Solve for x
    x = 234,525,016,001,053.72/21,069,694.00
  6. Step 6: Final answer
    x = 11,130,917.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.