Home / 13,223,682.30-18,249,138.39-7,343,415.42

Finding the Fourth Proportional to 13,223,682.30, 18,249,138.39 and 7,343,415.42

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Solution

The fourth proportional to 13,223,682.30, 18,249,138.39 and 7,343,415.42 is: 10,134,166.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223,682.30 : 18,249,138.39 = 7,343,415.42 : x
  2. Step 2: Convert to fraction form
    13,223,682.30/18,249,138.39 = 7,343,415.42/x
  3. Step 3: Cross multiply
    13,223,682.30x = 18,249,138.39 × 7,343,415.42
  4. Step 4: Simplify right side
    13,223,682.30x = 134,011,004,254,839.98
  5. Step 5: Solve for x
    x = 134,011,004,254,839.98/13,223,682.30
  6. Step 6: Final answer
    x = 10,134,166.96

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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.