Home / 12,476,492.61-17,193,033.79-9,539,637.28

Finding the Fourth Proportional to 12,476,492.61, 17,193,033.79 and 9,539,637.28

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Solution

The fourth proportional to 12,476,492.61, 17,193,033.79 and 9,539,637.28 is: 13,145,946.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,492.61 : 17,193,033.79 = 9,539,637.28 : x
  2. Step 2: Convert to fraction form
    12,476,492.61/17,193,033.79 = 9,539,637.28/x
  3. Step 3: Cross multiply
    12,476,492.61x = 17,193,033.79 × 9,539,637.28
  4. Step 4: Simplify right side
    12,476,492.61x = 164,015,306,129,262.84
  5. Step 5: Solve for x
    x = 164,015,306,129,262.84/12,476,492.61
  6. Step 6: Final answer
    x = 13,145,946.65

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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.