Home / 12,176,671.99-16,797,436.55-7,528,971.33

Finding the Fourth Proportional to 12,176,671.99, 16,797,436.55 and 7,528,971.33

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Solution

The fourth proportional to 12,176,671.99, 16,797,436.55 and 7,528,971.33 is: 10,386,041.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176,671.99 : 16,797,436.55 = 7,528,971.33 : x
  2. Step 2: Convert to fraction form
    12,176,671.99/16,797,436.55 = 7,528,971.33/x
  3. Step 3: Cross multiply
    12,176,671.99x = 16,797,436.55 × 7,528,971.33
  4. Step 4: Simplify right side
    12,176,671.99x = 126,467,418,202,444.12
  5. Step 5: Solve for x
    x = 126,467,418,202,444.12/12,176,671.99
  6. Step 6: Final answer
    x = 10,386,041.31

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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.