Home / 12,994,643.61-17,932,391.15-7,193,302.65

Finding the Fourth Proportional to 12,994,643.61, 17,932,391.15 and 7,193,302.65

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Solution

The fourth proportional to 12,994,643.61, 17,932,391.15 and 7,193,302.65 is: 9,926,637.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,994,643.61 : 17,932,391.15 = 7,193,302.65 : x
  2. Step 2: Convert to fraction form
    12,994,643.61/17,932,391.15 = 7,193,302.65/x
  3. Step 3: Cross multiply
    12,994,643.61x = 17,932,391.15 × 7,193,302.65
  4. Step 4: Simplify right side
    12,994,643.61x = 128,993,116,744,165.03
  5. Step 5: Solve for x
    x = 128,993,116,744,165.03/12,994,643.61
  6. Step 6: Final answer
    x = 9,926,637.51

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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.