Home / 13,210,455.30-19,797,020.55-9,771,908.10

Finding the Fourth Proportional to 13,210,455.30, 19,797,020.55 and 9,771,908.10

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Solution

The fourth proportional to 13,210,455.30, 19,797,020.55 and 9,771,908.10 is: 14,644,057.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210,455.30 : 19,797,020.55 = 9,771,908.10 : x
  2. Step 2: Convert to fraction form
    13,210,455.30/19,797,020.55 = 9,771,908.10/x
  3. Step 3: Cross multiply
    13,210,455.30x = 19,797,020.55 × 9,771,908.10
  4. Step 4: Simplify right side
    13,210,455.30x = 193,454,665,468,411.47
  5. Step 5: Solve for x
    x = 193,454,665,468,411.47/13,210,455.30
  6. Step 6: Final answer
    x = 14,644,057.38

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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.