Home / 13,249,909.44-18,284,342.15-7,448,567.54

Finding the Fourth Proportional to 13,249,909.44, 18,284,342.15 and 7,448,567.54

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Solution

The fourth proportional to 13,249,909.44, 18,284,342.15 and 7,448,567.54 is: 10,278,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249,909.44 : 18,284,342.15 = 7,448,567.54 : x
  2. Step 2: Convert to fraction form
    13,249,909.44/18,284,342.15 = 7,448,567.54/x
  3. Step 3: Cross multiply
    13,249,909.44x = 18,284,342.15 × 7,448,567.54
  4. Step 4: Simplify right side
    13,249,909.44x = 136,192,157,355,943.52
  5. Step 5: Solve for x
    x = 136,192,157,355,943.52/13,249,909.44
  6. Step 6: Final answer
    x = 10,278,723.64

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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.