Home / 13,831,930.50-20,748,892.22-5,312,266.98

Finding the Fourth Proportional to 13,831,930.50, 20,748,892.22 and 5,312,266.98

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Solution

The fourth proportional to 13,831,930.50, 20,748,892.22 and 5,312,266.98 is: 7,968,783.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831,930.50 : 20,748,892.22 = 5,312,266.98 : x
  2. Step 2: Convert to fraction form
    13,831,930.50/20,748,892.22 = 5,312,266.98/x
  3. Step 3: Cross multiply
    13,831,930.50x = 20,748,892.22 × 5,312,266.98
  4. Step 4: Simplify right side
    13,831,930.50x = 110,223,654,985,323.56
  5. Step 5: Solve for x
    x = 110,223,654,985,323.56/13,831,930.50
  6. Step 6: Final answer
    x = 7,968,783.17

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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.