Home / 14,366,820.17-19,826,631.81-7,840,868.64

Finding the Fourth Proportional to 14,366,820.17, 19,826,631.81 and 7,840,868.64

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Solution

The fourth proportional to 14,366,820.17, 19,826,631.81 and 7,840,868.64 is: 10,820,627.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,366,820.17 : 19,826,631.81 = 7,840,868.64 : x
  2. Step 2: Convert to fraction form
    14,366,820.17/19,826,631.81 = 7,840,868.64/x
  3. Step 3: Cross multiply
    14,366,820.17x = 19,826,631.81 × 7,840,868.64
  4. Step 4: Simplify right side
    14,366,820.17x = 155,458,015,595,855.41
  5. Step 5: Solve for x
    x = 155,458,015,595,855.41/14,366,820.17
  6. Step 6: Final answer
    x = 10,820,627.93

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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.