Home / 18,604,075.69-27,909,838.42-10,418,358.76

Finding the Fourth Proportional to 18,604,075.69, 27,909,838.42 and 10,418,358.76

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Solution

The fourth proportional to 18,604,075.69, 27,909,838.42 and 10,418,358.76 is: 15,629,624.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604,075.69 : 27,909,838.42 = 10,418,358.76 : x
  2. Step 2: Convert to fraction form
    18,604,075.69/27,909,838.42 = 10,418,358.76/x
  3. Step 3: Cross multiply
    18,604,075.69x = 27,909,838.42 × 10,418,358.76
  4. Step 4: Simplify right side
    18,604,075.69x = 290,774,709,497,371.06
  5. Step 5: Solve for x
    x = 290,774,709,497,371.06/18,604,075.69
  6. Step 6: Final answer
    x = 15,629,624.09

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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.