Home / 14,366,471.30-19,826,148.53-7,840,520.82

Finding the Fourth Proportional to 14,366,471.30, 19,826,148.53 and 7,840,520.82

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Solution

The fourth proportional to 14,366,471.30, 19,826,148.53 and 7,840,520.82 is: 10,820,146.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,366,471.30 : 19,826,148.53 = 7,840,520.82 : x
  2. Step 2: Convert to fraction form
    14,366,471.30/19,826,148.53 = 7,840,520.82/x
  3. Step 3: Cross multiply
    14,366,471.30x = 19,826,148.53 × 7,840,520.82
  4. Step 4: Simplify right side
    14,366,471.30x = 155,447,330,329,877.41
  5. Step 5: Solve for x
    x = 155,447,330,329,877.41/14,366,471.30
  6. Step 6: Final answer
    x = 10,820,146.93

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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.