Home / 13,482,644.57-18,606,133.85-7,287,678.50

Finding the Fourth Proportional to 13,482,644.57, 18,606,133.85 and 7,287,678.50

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Solution

The fourth proportional to 13,482,644.57, 18,606,133.85 and 7,287,678.50 is: 10,057,041.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482,644.57 : 18,606,133.85 = 7,287,678.50 : x
  2. Step 2: Convert to fraction form
    13,482,644.57/18,606,133.85 = 7,287,678.50/x
  3. Step 3: Cross multiply
    13,482,644.57x = 18,606,133.85 × 7,287,678.50
  4. Step 4: Simplify right side
    13,482,644.57x = 135,595,521,626,767.23
  5. Step 5: Solve for x
    x = 135,595,521,626,767.23/13,482,644.57
  6. Step 6: Final answer
    x = 10,057,041.92

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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.