Home / 19,716,187.80-29,524,515.30-12,947,957.40

Finding the Fourth Proportional to 19,716,187.80, 29,524,515.30 and 12,947,957.40

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Solution

The fourth proportional to 19,716,187.80, 29,524,515.30 and 12,947,957.40 is: 19,389,253.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,716,187.80 : 29,524,515.30 = 12,947,957.40 : x
  2. Step 2: Convert to fraction form
    19,716,187.80/29,524,515.30 = 12,947,957.40/x
  3. Step 3: Cross multiply
    19,716,187.80x = 29,524,515.30 × 12,947,957.40
  4. Step 4: Simplify right side
    19,716,187.80x = 382,282,166,360,048.25
  5. Step 5: Solve for x
    x = 382,282,166,360,048.25/19,716,187.80
  6. Step 6: Final answer
    x = 19,389,253.65

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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.