Home / 12,809,670.84-17,675,599.95-7,651,937.52

Finding the Fourth Proportional to 12,809,670.84, 17,675,599.95 and 7,651,937.52

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Solution

The fourth proportional to 12,809,670.84, 17,675,599.95 and 7,651,937.52 is: 10,558,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,809,670.84 : 17,675,599.95 = 7,651,937.52 : x
  2. Step 2: Convert to fraction form
    12,809,670.84/17,675,599.95 = 7,651,937.52/x
  3. Step 3: Cross multiply
    12,809,670.84x = 17,675,599.95 × 7,651,937.52
  4. Step 4: Simplify right side
    12,809,670.84x = 135,252,586,445,915.11
  5. Step 5: Solve for x
    x = 135,252,586,445,915.11/12,809,670.84
  6. Step 6: Final answer
    x = 10,558,630.91

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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.