Home / 13,620,266.76-18,796,096.56-7,508,913.96

Finding the Fourth Proportional to 13,620,266.76, 18,796,096.56 and 7,508,913.96

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Solution

The fourth proportional to 13,620,266.76, 18,796,096.56 and 7,508,913.96 is: 10,362,372.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,620,266.76 : 18,796,096.56 = 7,508,913.96 : x
  2. Step 2: Convert to fraction form
    13,620,266.76/18,796,096.56 = 7,508,913.96/x
  3. Step 3: Cross multiply
    13,620,266.76x = 18,796,096.56 × 7,508,913.96
  4. Step 4: Simplify right side
    13,620,266.76x = 141,138,271,852,891.97
  5. Step 5: Solve for x
    x = 141,138,271,852,891.97/13,620,266.76
  6. Step 6: Final answer
    x = 10,362,372.07

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1.5x scale

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.