Home / 12,997,693.19-17,937,376.97-7,196,474.76

Finding the Fourth Proportional to 12,997,693.19, 17,937,376.97 and 7,196,474.76

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Solution

The fourth proportional to 12,997,693.19, 17,937,376.97 and 7,196,474.76 is: 9,931,445.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,693.19 : 17,937,376.97 = 7,196,474.76 : x
  2. Step 2: Convert to fraction form
    12,997,693.19/17,937,376.97 = 7,196,474.76/x
  3. Step 3: Cross multiply
    12,997,693.19x = 17,937,376.97 × 7,196,474.76
  4. Step 4: Simplify right side
    12,997,693.19x = 129,085,880,521,962.73
  5. Step 5: Solve for x
    x = 129,085,880,521,962.73/12,997,693.19
  6. Step 6: Final answer
    x = 9,931,445.42

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1.5x scale

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.