Home / 13,698,888.51-18,904,605.09-8,265,330.75

Finding the Fourth Proportional to 13,698,888.51, 18,904,605.09 and 8,265,330.75

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Solution

The fourth proportional to 13,698,888.51, 18,904,605.09 and 8,265,330.75 is: 11,406,240.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,888.51 : 18,904,605.09 = 8,265,330.75 : x
  2. Step 2: Convert to fraction form
    13,698,888.51/18,904,605.09 = 8,265,330.75/x
  3. Step 3: Cross multiply
    13,698,888.51x = 18,904,605.09 × 8,265,330.75
  4. Step 4: Simplify right side
    13,698,888.51x = 156,252,813,766,983.53
  5. Step 5: Solve for x
    x = 156,252,813,766,983.53/13,698,888.51
  6. Step 6: Final answer
    x = 11,406,240.27

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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.