Home / 13,656,331.02-18,845,516.87-7,461,244.62

Finding the Fourth Proportional to 13,656,331.02, 18,845,516.87 and 7,461,244.62

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Solution

The fourth proportional to 13,656,331.02, 18,845,516.87 and 7,461,244.62 is: 10,296,397.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656,331.02 : 18,845,516.87 = 7,461,244.62 : x
  2. Step 2: Convert to fraction form
    13,656,331.02/18,845,516.87 = 7,461,244.62/x
  3. Step 3: Cross multiply
    13,656,331.02x = 18,845,516.87 × 7,461,244.62
  4. Step 4: Simplify right side
    13,656,331.02x = 140,611,011,320,100.50
  5. Step 5: Solve for x
    x = 140,611,011,320,100.50/13,656,331.02
  6. Step 6: Final answer
    x = 10,296,397.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.