Home / 14,347,921.50-19,807,200.61-9,940,988.93

Finding the Fourth Proportional to 14,347,921.50, 19,807,200.61 and 9,940,988.93

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Solution

The fourth proportional to 14,347,921.50, 19,807,200.61 and 9,940,988.93 is: 13,723,462.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347,921.50 : 19,807,200.61 = 9,940,988.93 : x
  2. Step 2: Convert to fraction form
    14,347,921.50/19,807,200.61 = 9,940,988.93/x
  3. Step 3: Cross multiply
    14,347,921.50x = 19,807,200.61 × 9,940,988.93
  4. Step 4: Simplify right side
    14,347,921.50x = 196,903,161,874,410.81
  5. Step 5: Solve for x
    x = 196,903,161,874,410.81/14,347,921.50
  6. Step 6: Final answer
    x = 13,723,462.45

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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.