Home / 13,047,905.64-18,006,151.50-7,246,686.36

Finding the Fourth Proportional to 13,047,905.64, 18,006,151.50 and 7,246,686.36

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Solution

The fourth proportional to 13,047,905.64, 18,006,151.50 and 7,246,686.36 is: 10,000,450.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047,905.64 : 18,006,151.50 = 7,246,686.36 : x
  2. Step 2: Convert to fraction form
    13,047,905.64/18,006,151.50 = 7,246,686.36/x
  3. Step 3: Cross multiply
    13,047,905.64x = 18,006,151.50 × 7,246,686.36
  4. Step 4: Simplify right side
    13,047,905.64x = 130,484,932,471,143.55
  5. Step 5: Solve for x
    x = 130,484,932,471,143.55/13,047,905.64
  6. Step 6: Final answer
    x = 10,000,450.35

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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.