Home / 13,013,434.80-17,958,541.73-7,212,591.05

Finding the Fourth Proportional to 13,013,434.80, 17,958,541.73 and 7,212,591.05

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Solution

The fourth proportional to 13,013,434.80, 17,958,541.73 and 7,212,591.05 is: 9,953,376.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,434.80 : 17,958,541.73 = 7,212,591.05 : x
  2. Step 2: Convert to fraction form
    13,013,434.80/17,958,541.73 = 7,212,591.05/x
  3. Step 3: Cross multiply
    13,013,434.80x = 17,958,541.73 × 7,212,591.05
  4. Step 4: Simplify right side
    13,013,434.80x = 129,527,617,226,993.86
  5. Step 5: Solve for x
    x = 129,527,617,226,993.86/13,013,434.80
  6. Step 6: Final answer
    x = 9,953,376.58

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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.