Home / 13,288,429.80-19,932,644.70-13,036,487.40

Finding the Fourth Proportional to 13,288,429.80, 19,932,644.70 and 13,036,487.40

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Solution

The fourth proportional to 13,288,429.80, 19,932,644.70 and 13,036,487.40 is: 19,554,731.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,429.80 : 19,932,644.70 = 13,036,487.40 : x
  2. Step 2: Convert to fraction form
    13,288,429.80/19,932,644.70 = 13,036,487.40/x
  3. Step 3: Cross multiply
    13,288,429.80x = 19,932,644.70 × 13,036,487.40
  4. Step 4: Simplify right side
    13,288,429.80x = 259,851,671,480,226.78
  5. Step 5: Solve for x
    x = 259,851,671,480,226.78/13,288,429.80
  6. Step 6: Final answer
    x = 19,554,731.10

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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.