Home / 12,156,740.55-16,776,716.36-6,930,521.53

Finding the Fourth Proportional to 12,156,740.55, 16,776,716.36 and 6,930,521.53

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Solution

The fourth proportional to 12,156,740.55, 16,776,716.36 and 6,930,521.53 is: 9,564,355.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156,740.55 : 16,776,716.36 = 6,930,521.53 : x
  2. Step 2: Convert to fraction form
    12,156,740.55/16,776,716.36 = 6,930,521.53/x
  3. Step 3: Cross multiply
    12,156,740.55x = 16,776,716.36 × 6,930,521.53
  4. Step 4: Simplify right side
    12,156,740.55x = 116,271,393,859,088.83
  5. Step 5: Solve for x
    x = 116,271,393,859,088.83/12,156,740.55
  6. Step 6: Final answer
    x = 9,564,355.95

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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.