Home / 13,391,947.02-20,090,506.05-5,715,479.82

Finding the Fourth Proportional to 13,391,947.02, 20,090,506.05 and 5,715,479.82

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Solution

The fourth proportional to 13,391,947.02, 20,090,506.05 and 5,715,479.82 is: 8,574,323.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,391,947.02 : 20,090,506.05 = 5,715,479.82 : x
  2. Step 2: Convert to fraction form
    13,391,947.02/20,090,506.05 = 5,715,479.82/x
  3. Step 3: Cross multiply
    13,391,947.02x = 20,090,506.05 × 5,715,479.82
  4. Step 4: Simplify right side
    13,391,947.02x = 114,826,881,902,362.92
  5. Step 5: Solve for x
    x = 114,826,881,902,362.92/13,391,947.02
  6. Step 6: Final answer
    x = 8,574,323.19

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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.