Home / 27,428,075.76-37,849,297.92-15,665,031.56

Finding the Fourth Proportional to 27,428,075.76, 37,849,297.92 and 15,665,031.56

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Solution

The fourth proportional to 27,428,075.76, 37,849,297.92 and 15,665,031.56 is: 21,616,917.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,428,075.76 : 37,849,297.92 = 15,665,031.56 : x
  2. Step 2: Convert to fraction form
    27,428,075.76/37,849,297.92 = 15,665,031.56/x
  3. Step 3: Cross multiply
    27,428,075.76x = 37,849,297.92 × 15,665,031.56
  4. Step 4: Simplify right side
    27,428,075.76x = 592,910,446,440,642.38
  5. Step 5: Solve for x
    x = 592,910,446,440,642.38/27,428,075.76
  6. Step 6: Final answer
    x = 21,616,917.34

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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.