Home / 21,167,998.90-31,751,998.35-6,019,962.10

Finding the Fourth Proportional to 21,167,998.90, 31,751,998.35 and 6,019,962.10

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Solution

The fourth proportional to 21,167,998.90, 31,751,998.35 and 6,019,962.10 is: 9,029,943.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167,998.90 : 31,751,998.35 = 6,019,962.10 : x
  2. Step 2: Convert to fraction form
    21,167,998.90/31,751,998.35 = 6,019,962.10/x
  3. Step 3: Cross multiply
    21,167,998.90x = 31,751,998.35 × 6,019,962.10
  4. Step 4: Simplify right side
    21,167,998.90x = 191,145,826,666,262.53
  5. Step 5: Solve for x
    x = 191,145,826,666,262.53/21,167,998.90
  6. Step 6: Final answer
    x = 9,029,943.15

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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.