Home / 9,983,895.04-14,966,657.16-5,428,286.56

Finding the Fourth Proportional to 9,983,895.04, 14,966,657.16 and 5,428,286.56

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Solution

The fourth proportional to 9,983,895.04, 14,966,657.16 and 5,428,286.56 is: 8,137,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983,895.04 : 14,966,657.16 = 5,428,286.56 : x
  2. Step 2: Convert to fraction form
    9,983,895.04/14,966,657.16 = 5,428,286.56/x
  3. Step 3: Cross multiply
    9,983,895.04x = 14,966,657.16 × 5,428,286.56
  4. Step 4: Simplify right side
    9,983,895.04x = 81,243,303,909,755.77
  5. Step 5: Solve for x
    x = 81,243,303,909,755.77/9,983,895.04
  6. Step 6: Final answer
    x = 8,137,435.70

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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.