Home / 20,695,225.60-31,042,838.40-9,906,973.30

Finding the Fourth Proportional to 20,695,225.60, 31,042,838.40 and 9,906,973.30

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Solution

The fourth proportional to 20,695,225.60, 31,042,838.40 and 9,906,973.30 is: 14,860,459.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,695,225.60 : 31,042,838.40 = 9,906,973.30 : x
  2. Step 2: Convert to fraction form
    20,695,225.60/31,042,838.40 = 9,906,973.30/x
  3. Step 3: Cross multiply
    20,695,225.60x = 31,042,838.40 × 9,906,973.30
  4. Step 4: Simplify right side
    20,695,225.60x = 307,540,571,185,014.75
  5. Step 5: Solve for x
    x = 307,540,571,185,014.75/20,695,225.60
  6. Step 6: Final answer
    x = 14,860,459.95

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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.