Home / 8,511,814.95-11,745,966.14-5,028,272.36

Finding the Fourth Proportional to 8,511,814.95, 11,745,966.14 and 5,028,272.36

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Solution

The fourth proportional to 8,511,814.95, 11,745,966.14 and 5,028,272.36 is: 6,938,815.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511,814.95 : 11,745,966.14 = 5,028,272.36 : x
  2. Step 2: Convert to fraction form
    8,511,814.95/11,745,966.14 = 5,028,272.36/x
  3. Step 3: Cross multiply
    8,511,814.95x = 11,745,966.14 × 5,028,272.36
  4. Step 4: Simplify right side
    8,511,814.95x = 59,061,916,799,386.70
  5. Step 5: Solve for x
    x = 59,061,916,799,386.70/8,511,814.95
  6. Step 6: Final answer
    x = 6,938,815.89

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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.