Home / 12,145,472.96-16,749,897.27-10,077,214.64

Finding the Fourth Proportional to 12,145,472.96, 16,749,897.27 and 10,077,214.64

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Solution

The fourth proportional to 12,145,472.96, 16,749,897.27 and 10,077,214.64 is: 13,897,549.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145,472.96 : 16,749,897.27 = 10,077,214.64 : x
  2. Step 2: Convert to fraction form
    12,145,472.96/16,749,897.27 = 10,077,214.64/x
  3. Step 3: Cross multiply
    12,145,472.96x = 16,749,897.27 × 10,077,214.64
  4. Step 4: Simplify right side
    12,145,472.96x = 168,792,309,987,740.03
  5. Step 5: Solve for x
    x = 168,792,309,987,740.03/12,145,472.96
  6. Step 6: Final answer
    x = 13,897,549.36

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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.