Home / 12,117,904.17-16,722,123.81-6,610,951.40

Finding the Fourth Proportional to 12,117,904.17, 16,722,123.81 and 6,610,951.40

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Solution

The fourth proportional to 12,117,904.17, 16,722,123.81 and 6,610,951.40 is: 9,122,794.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117,904.17 : 16,722,123.81 = 6,610,951.40 : x
  2. Step 2: Convert to fraction form
    12,117,904.17/16,722,123.81 = 6,610,951.40/x
  3. Step 3: Cross multiply
    12,117,904.17x = 16,722,123.81 × 6,610,951.40
  4. Step 4: Simplify right side
    12,117,904.17x = 110,549,147,729,082.20
  5. Step 5: Solve for x
    x = 110,549,147,729,082.20/12,117,904.17
  6. Step 6: Final answer
    x = 9,122,794.35

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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.