Home / 13,762,458.90-20,636,689.95-8,084,423.70

Finding the Fourth Proportional to 13,762,458.90, 20,636,689.95 and 8,084,423.70

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Solution

The fourth proportional to 13,762,458.90, 20,636,689.95 and 8,084,423.70 is: 12,122,524.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762,458.90 : 20,636,689.95 = 8,084,423.70 : x
  2. Step 2: Convert to fraction form
    13,762,458.90/20,636,689.95 = 8,084,423.70/x
  3. Step 3: Cross multiply
    13,762,458.90x = 20,636,689.95 × 8,084,423.70
  4. Step 4: Simplify right side
    13,762,458.90x = 166,835,745,321,331.81
  5. Step 5: Solve for x
    x = 166,835,745,321,331.81/13,762,458.90
  6. Step 6: Final answer
    x = 12,122,524.51

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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.