Home / 14,366,470.80-19,826,147.84-7,840,520.32

Finding the Fourth Proportional to 14,366,470.80, 19,826,147.84 and 7,840,520.32

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Solution

The fourth proportional to 14,366,470.80, 19,826,147.84 and 7,840,520.32 is: 10,820,146.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,366,470.80 : 19,826,147.84 = 7,840,520.32 : x
  2. Step 2: Convert to fraction form
    14,366,470.80/19,826,147.84 = 7,840,520.32/x
  3. Step 3: Cross multiply
    14,366,470.80x = 19,826,147.84 × 7,840,520.32
  4. Step 4: Simplify right side
    14,366,470.80x = 155,447,315,006,844.12
  5. Step 5: Solve for x
    x = 155,447,315,006,844.12/14,366,470.80
  6. Step 6: Final answer
    x = 10,820,146.24

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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.