Home / 13,103,465.40-19,655,198.10-7,434,761.40

Finding the Fourth Proportional to 13,103,465.40, 19,655,198.10 and 7,434,761.40

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Solution

The fourth proportional to 13,103,465.40, 19,655,198.10 and 7,434,761.40 is: 11,152,142.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103,465.40 : 19,655,198.10 = 7,434,761.40 : x
  2. Step 2: Convert to fraction form
    13,103,465.40/19,655,198.10 = 7,434,761.40/x
  3. Step 3: Cross multiply
    13,103,465.40x = 19,655,198.10 × 7,434,761.40
  4. Step 4: Simplify right side
    13,103,465.40x = 146,131,708,143,233.34
  5. Step 5: Solve for x
    x = 146,131,708,143,233.34/13,103,465.40
  6. Step 6: Final answer
    x = 11,152,142.10

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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.