Home / 9,142,740.84-12,616,915.54-5,012,703.93

Finding the Fourth Proportional to 9,142,740.84, 12,616,915.54 and 5,012,703.93

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Solution

The fourth proportional to 9,142,740.84, 12,616,915.54 and 5,012,703.93 is: 6,917,494.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142,740.84 : 12,616,915.54 = 5,012,703.93 : x
  2. Step 2: Convert to fraction form
    9,142,740.84/12,616,915.54 = 5,012,703.93/x
  3. Step 3: Cross multiply
    9,142,740.84x = 12,616,915.54 × 5,012,703.93
  4. Step 4: Simplify right side
    9,142,740.84x = 63,244,862,156,016.56
  5. Step 5: Solve for x
    x = 63,244,862,156,016.56/9,142,740.84
  6. Step 6: Final answer
    x = 6,917,494.79

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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.