Home / 16,986,368-23,441,187.84-9,355,520

Finding the Fourth Proportional to 16,986,368, 23,441,187.84 and 9,355,520

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Solution

The fourth proportional to 16,986,368, 23,441,187.84 and 9,355,520 is: 12,910,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986,368 : 23,441,187.84 = 9,355,520 : x
  2. Step 2: Convert to fraction form
    16,986,368/23,441,187.84 = 9,355,520/x
  3. Step 3: Cross multiply
    16,986,368x = 23,441,187.84 × 9,355,520
  4. Step 4: Simplify right side
    16,986,368x = 219,304,501,660,876.81
  5. Step 5: Solve for x
    x = 219,304,501,660,876.81/16,986,368
  6. Step 6: Final answer
    x = 12,910,617.60

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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.