Home / 10,749,328.20-16,108,042.86-7,895,490.12

Finding the Fourth Proportional to 10,749,328.20, 16,108,042.86 and 7,895,490.12

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Solution

The fourth proportional to 10,749,328.20, 16,108,042.86 and 7,895,490.12 is: 11,831,520.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749,328.20 : 16,108,042.86 = 7,895,490.12 : x
  2. Step 2: Convert to fraction form
    10,749,328.20/16,108,042.86 = 7,895,490.12/x
  3. Step 3: Cross multiply
    10,749,328.20x = 16,108,042.86 × 7,895,490.12
  4. Step 4: Simplify right side
    10,749,328.20x = 127,180,893,253,666.55
  5. Step 5: Solve for x
    x = 127,180,893,253,666.55/10,749,328.20
  6. Step 6: Final answer
    x = 11,831,520.16

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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.