Home / 10,579,407.82-15,874,126.67-5,111,437.53

Finding the Fourth Proportional to 10,579,407.82, 15,874,126.67 and 5,111,437.53

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Solution

The fourth proportional to 10,579,407.82, 15,874,126.67 and 5,111,437.53 is: 7,669,579.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,579,407.82 : 15,874,126.67 = 5,111,437.53 : x
  2. Step 2: Convert to fraction form
    10,579,407.82/15,874,126.67 = 5,111,437.53/x
  3. Step 3: Cross multiply
    10,579,407.82x = 15,874,126.67 × 5,111,437.53
  4. Step 4: Simplify right side
    10,579,407.82x = 81,139,606,712,084.11
  5. Step 5: Solve for x
    x = 81,139,606,712,084.11/10,579,407.82
  6. Step 6: Final answer
    x = 7,669,579.25

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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.