Home / 13,400,510.94-20,090,966.81-4,297,426.89

Finding the Fourth Proportional to 13,400,510.94, 20,090,966.81 and 4,297,426.89

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Solution

The fourth proportional to 13,400,510.94, 20,090,966.81 and 4,297,426.89 is: 6,442,997.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400,510.94 : 20,090,966.81 = 4,297,426.89 : x
  2. Step 2: Convert to fraction form
    13,400,510.94/20,090,966.81 = 4,297,426.89/x
  3. Step 3: Cross multiply
    13,400,510.94x = 20,090,966.81 × 4,297,426.89
  4. Step 4: Simplify right side
    13,400,510.94x = 86,339,460,993,904.38
  5. Step 5: Solve for x
    x = 86,339,460,993,904.38/13,400,510.94
  6. Step 6: Final answer
    x = 6,442,997.69

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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.