Home / 12,960,043.80-19,440,065.70-3,983,429.40

Finding the Fourth Proportional to 12,960,043.80, 19,440,065.70 and 3,983,429.40

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Solution

The fourth proportional to 12,960,043.80, 19,440,065.70 and 3,983,429.40 is: 5,975,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,043.80 : 19,440,065.70 = 3,983,429.40 : x
  2. Step 2: Convert to fraction form
    12,960,043.80/19,440,065.70 = 3,983,429.40/x
  3. Step 3: Cross multiply
    12,960,043.80x = 19,440,065.70 × 3,983,429.40
  4. Step 4: Simplify right side
    12,960,043.80x = 77,438,129,247,311.58
  5. Step 5: Solve for x
    x = 77,438,129,247,311.58/12,960,043.80
  6. Step 6: Final answer
    x = 5,975,144.10

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1.5x scale

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.