Home / 9,038,492-12,474,929.35-5,369,446.84

Finding the Fourth Proportional to 9,038,492, 12,474,929.35 and 5,369,446.84

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Solution

The fourth proportional to 9,038,492, 12,474,929.35 and 5,369,446.84 is: 7,410,912.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038,492 : 12,474,929.35 = 5,369,446.84 : x
  2. Step 2: Convert to fraction form
    9,038,492/12,474,929.35 = 5,369,446.84/x
  3. Step 3: Cross multiply
    9,038,492x = 12,474,929.35 × 5,369,446.84
  4. Step 4: Simplify right side
    9,038,492x = 66,983,469,977,580.75
  5. Step 5: Solve for x
    x = 66,983,469,977,580.75/9,038,492
  6. Step 6: Final answer
    x = 7,410,912.13

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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.