Home / 31,257,637.20-46,886,455.80-8,538,534.45

Finding the Fourth Proportional to 31,257,637.20, 46,886,455.80 and 8,538,534.45

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Solution

The fourth proportional to 31,257,637.20, 46,886,455.80 and 8,538,534.45 is: 12,807,801.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,257,637.20 : 46,886,455.80 = 8,538,534.45 : x
  2. Step 2: Convert to fraction form
    31,257,637.20/46,886,455.80 = 8,538,534.45/x
  3. Step 3: Cross multiply
    31,257,637.20x = 46,886,455.80 × 8,538,534.45
  4. Step 4: Simplify right side
    31,257,637.20x = 400,341,618,086,702.25
  5. Step 5: Solve for x
    x = 400,341,618,086,702.25/31,257,637.20
  6. Step 6: Final answer
    x = 12,807,801.68

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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.