Home / 21,802,363.66-30,087,943.59-12,511,633.42

Finding the Fourth Proportional to 21,802,363.66, 30,087,943.59 and 12,511,633.42

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Solution

The fourth proportional to 21,802,363.66, 30,087,943.59 and 12,511,633.42 is: 17,266,445.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,802,363.66 : 30,087,943.59 = 12,511,633.42 : x
  2. Step 2: Convert to fraction form
    21,802,363.66/30,087,943.59 = 12,511,633.42/x
  3. Step 3: Cross multiply
    21,802,363.66x = 30,087,943.59 × 12,511,633.42
  4. Step 4: Simplify right side
    21,802,363.66x = 376,449,320,559,718.75
  5. Step 5: Solve for x
    x = 376,449,320,559,718.75/21,802,363.66
  6. Step 6: Final answer
    x = 17,266,445.35

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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.