Home / 13,902,379.80-20,853,569.70-13,335,509.40

Finding the Fourth Proportional to 13,902,379.80, 20,853,569.70 and 13,335,509.40

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Solution

The fourth proportional to 13,902,379.80, 20,853,569.70 and 13,335,509.40 is: 20,003,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902,379.80 : 20,853,569.70 = 13,335,509.40 : x
  2. Step 2: Convert to fraction form
    13,902,379.80/20,853,569.70 = 13,335,509.40/x
  3. Step 3: Cross multiply
    13,902,379.80x = 20,853,569.70 × 13,335,509.40
  4. Step 4: Simplify right side
    13,902,379.80x = 278,092,974,757,905.19
  5. Step 5: Solve for x
    x = 278,092,974,757,905.19/13,902,379.80
  6. Step 6: Final answer
    x = 20,003,264.10

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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.