Home / 31,703,172.72-47,539,768.21-12,281,495.30

Finding the Fourth Proportional to 31,703,172.72, 47,539,768.21 and 12,281,495.30

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Solution

The fourth proportional to 31,703,172.72, 47,539,768.21 and 12,281,495.30 is: 18,416,435.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,703,172.72 : 47,539,768.21 = 12,281,495.30 : x
  2. Step 2: Convert to fraction form
    31,703,172.72/47,539,768.21 = 12,281,495.30/x
  3. Step 3: Cross multiply
    31,703,172.72x = 47,539,768.21 × 12,281,495.30
  4. Step 4: Simplify right side
    31,703,172.72x = 583,859,439,834,204.50
  5. Step 5: Solve for x
    x = 583,859,439,834,204.50/31,703,172.72
  6. Step 6: Final answer
    x = 18,416,435.64

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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.