Home / 14,366,812.92-19,826,621.81-7,840,861.39

Finding the Fourth Proportional to 14,366,812.92, 19,826,621.81 and 7,840,861.39

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Solution

The fourth proportional to 14,366,812.92, 19,826,621.81 and 7,840,861.39 is: 10,820,617.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,366,812.92 : 19,826,621.81 = 7,840,861.39 : x
  2. Step 2: Convert to fraction form
    14,366,812.92/19,826,621.81 = 7,840,861.39/x
  3. Step 3: Cross multiply
    14,366,812.92x = 19,826,621.81 × 7,840,861.39
  4. Step 4: Simplify right side
    14,366,812.92x = 155,457,793,444,160.91
  5. Step 5: Solve for x
    x = 155,457,793,444,160.91/14,366,812.92
  6. Step 6: Final answer
    x = 10,820,617.93

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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.