Home / 39,398,437.11-59,120,684.85-28,457,838.39

Finding the Fourth Proportional to 39,398,437.11, 59,120,684.85 and 28,457,838.39

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Solution

The fourth proportional to 39,398,437.11, 59,120,684.85 and 28,457,838.39 is: 42,703,391.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,398,437.11 : 59,120,684.85 = 28,457,838.39 : x
  2. Step 2: Convert to fraction form
    39,398,437.11/59,120,684.85 = 28,457,838.39/x
  3. Step 3: Cross multiply
    39,398,437.11x = 59,120,684.85 × 28,457,838.39
  4. Step 4: Simplify right side
    39,398,437.11x = 1,682,446,895,295,840.75
  5. Step 5: Solve for x
    x = 1,682,446,895,295,840.75/39,398,437.11
  6. Step 6: Final answer
    x = 42,703,391.77

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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.