Home / 15,413,505.52-21,253,595.66-9,822,900.18

Finding the Fourth Proportional to 15,413,505.52, 21,253,595.66 and 9,822,900.18

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Solution

The fourth proportional to 15,413,505.52, 21,253,595.66 and 9,822,900.18 is: 13,544,741.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413,505.52 : 21,253,595.66 = 9,822,900.18 : x
  2. Step 2: Convert to fraction form
    15,413,505.52/21,253,595.66 = 9,822,900.18/x
  3. Step 3: Cross multiply
    15,413,505.52x = 21,253,595.66 × 9,822,900.18
  4. Step 4: Simplify right side
    15,413,505.52x = 208,771,948,634,261.22
  5. Step 5: Solve for x
    x = 208,771,948,634,261.22/15,413,505.52
  6. Step 6: Final answer
    x = 13,544,741.55

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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.