Home / 31,553,909.76-43,543,509.12-17,804,153.28

Finding the Fourth Proportional to 31,553,909.76, 43,543,509.12 and 17,804,153.28

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Solution

The fourth proportional to 31,553,909.76, 43,543,509.12 and 17,804,153.28 is: 24,569,231.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,553,909.76 : 43,543,509.12 = 17,804,153.28 : x
  2. Step 2: Convert to fraction form
    31,553,909.76/43,543,509.12 = 17,804,153.28/x
  3. Step 3: Cross multiply
    31,553,909.76x = 43,543,509.12 × 17,804,153.28
  4. Step 4: Simplify right side
    31,553,909.76x = 775,255,310,721,557.88
  5. Step 5: Solve for x
    x = 775,255,310,721,557.88/31,553,909.76
  6. Step 6: Final answer
    x = 24,569,231.41

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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.