Home / 12,887,605.90-17,784,554.88-7,007,054.50

Finding the Fourth Proportional to 12,887,605.90, 17,784,554.88 and 7,007,054.50

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Solution

The fourth proportional to 12,887,605.90, 17,784,554.88 and 7,007,054.50 is: 9,669,549.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887,605.90 : 17,784,554.88 = 7,007,054.50 : x
  2. Step 2: Convert to fraction form
    12,887,605.90/17,784,554.88 = 7,007,054.50/x
  3. Step 3: Cross multiply
    12,887,605.90x = 17,784,554.88 × 7,007,054.50
  4. Step 4: Simplify right side
    12,887,605.90x = 124,617,345,302,400.95
  5. Step 5: Solve for x
    x = 124,617,345,302,400.95/12,887,605.90
  6. Step 6: Final answer
    x = 9,669,549.66

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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.