Home / 13,051,608.86-18,016,070.56-11,208,666.62

Finding the Fourth Proportional to 13,051,608.86, 18,016,070.56 and 11,208,666.62

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Solution

The fourth proportional to 13,051,608.86, 18,016,070.56 and 11,208,666.62 is: 15,472,125.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051,608.86 : 18,016,070.56 = 11,208,666.62 : x
  2. Step 2: Convert to fraction form
    13,051,608.86/18,016,070.56 = 11,208,666.62/x
  3. Step 3: Cross multiply
    13,051,608.86x = 18,016,070.56 × 11,208,666.62
  4. Step 4: Simplify right side
    13,051,608.86x = 201,936,128,709,436.69
  5. Step 5: Solve for x
    x = 201,936,128,709,436.69/13,051,608.86
  6. Step 6: Final answer
    x = 15,472,125.38

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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.