Home / 13,865,212.80-19,138,803.84-9,528,654.24

Finding the Fourth Proportional to 13,865,212.80, 19,138,803.84 and 9,528,654.24

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Solution

The fourth proportional to 13,865,212.80, 19,138,803.84 and 9,528,654.24 is: 13,152,848.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,865,212.80 : 19,138,803.84 = 9,528,654.24 : x
  2. Step 2: Convert to fraction form
    13,865,212.80/19,138,803.84 = 9,528,654.24/x
  3. Step 3: Cross multiply
    13,865,212.80x = 19,138,803.84 × 9,528,654.24
  4. Step 4: Simplify right side
    13,865,212.80x = 182,367,044,358,544.28
  5. Step 5: Solve for x
    x = 182,367,044,358,544.28/13,865,212.80
  6. Step 6: Final answer
    x = 13,152,848.57

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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.