Home / 31,788,687.20-47,683,965.74-8,759,970.88

Finding the Fourth Proportional to 31,788,687.20, 47,683,965.74 and 8,759,970.88

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Solution

The fourth proportional to 31,788,687.20, 47,683,965.74 and 8,759,970.88 is: 13,140,213.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,788,687.20 : 47,683,965.74 = 8,759,970.88 : x
  2. Step 2: Convert to fraction form
    31,788,687.20/47,683,965.74 = 8,759,970.88/x
  3. Step 3: Cross multiply
    31,788,687.20x = 47,683,965.74 × 8,759,970.88
  4. Step 4: Simplify right side
    31,788,687.20x = 417,710,151,325,317.69
  5. Step 5: Solve for x
    x = 417,710,151,325,317.69/31,788,687.20
  6. Step 6: Final answer
    x = 13,140,213.96

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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.