Home / 13,388,315.94-18,475,988.49-7,276,742.82

Finding the Fourth Proportional to 13,388,315.94, 18,475,988.49 and 7,276,742.82

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Solution

The fourth proportional to 13,388,315.94, 18,475,988.49 and 7,276,742.82 is: 10,041,966.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388,315.94 : 18,475,988.49 = 7,276,742.82 : x
  2. Step 2: Convert to fraction form
    13,388,315.94/18,475,988.49 = 7,276,742.82/x
  3. Step 3: Cross multiply
    13,388,315.94x = 18,475,988.49 × 7,276,742.82
  4. Step 4: Simplify right side
    13,388,315.94x = 134,445,016,587,010.14
  5. Step 5: Solve for x
    x = 134,445,016,587,010.14/13,388,315.94
  6. Step 6: Final answer
    x = 10,041,966.23

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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.