Home / 9,966,389.40-14,949,584.10-5,419,616.40

Finding the Fourth Proportional to 9,966,389.40, 14,949,584.10 and 5,419,616.40

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Solution

The fourth proportional to 9,966,389.40, 14,949,584.10 and 5,419,616.40 is: 8,129,424.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,389.40 : 14,949,584.10 = 5,419,616.40 : x
  2. Step 2: Convert to fraction form
    9,966,389.40/14,949,584.10 = 5,419,616.40/x
  3. Step 3: Cross multiply
    9,966,389.40x = 14,949,584.10 × 5,419,616.40
  4. Step 4: Simplify right side
    9,966,389.40x = 81,021,011,161,539.25
  5. Step 5: Solve for x
    x = 81,021,011,161,539.25/9,966,389.40
  6. Step 6: Final answer
    x = 8,129,424.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.