Home / 14,347,913.67-19,807,189.65-9,940,981.05

Finding the Fourth Proportional to 14,347,913.67, 19,807,189.65 and 9,940,981.05

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Solution

The fourth proportional to 14,347,913.67, 19,807,189.65 and 9,940,981.05 is: 13,723,451.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347,913.67 : 19,807,189.65 = 9,940,981.05 : x
  2. Step 2: Convert to fraction form
    14,347,913.67/19,807,189.65 = 9,940,981.05/x
  3. Step 3: Cross multiply
    14,347,913.67x = 19,807,189.65 × 9,940,981.05
  4. Step 4: Simplify right side
    14,347,913.67x = 196,902,896,964,406.12
  5. Step 5: Solve for x
    x = 196,902,896,964,406.12/14,347,913.67
  6. Step 6: Final answer
    x = 13,723,451.47

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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.