Home / 31,346,124.60-47,019,186.90-8,317,014.60

Finding the Fourth Proportional to 31,346,124.60, 47,019,186.90 and 8,317,014.60

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Solution

The fourth proportional to 31,346,124.60, 47,019,186.90 and 8,317,014.60 is: 12,475,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,346,124.60 : 47,019,186.90 = 8,317,014.60 : x
  2. Step 2: Convert to fraction form
    31,346,124.60/47,019,186.90 = 8,317,014.60/x
  3. Step 3: Cross multiply
    31,346,124.60x = 47,019,186.90 × 8,317,014.60
  4. Step 4: Simplify right side
    31,346,124.60x = 391,059,263,927,428.69
  5. Step 5: Solve for x
    x = 391,059,263,927,428.69/31,346,124.60
  6. Step 6: Final answer
    x = 12,475,521.90

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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.