Home / 19,764,047.20-29,646,070.80-12,983,472.40

Finding the Fourth Proportional to 19,764,047.20, 29,646,070.80 and 12,983,472.40

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Solution

The fourth proportional to 19,764,047.20, 29,646,070.80 and 12,983,472.40 is: 19,475,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764,047.20 : 29,646,070.80 = 12,983,472.40 : x
  2. Step 2: Convert to fraction form
    19,764,047.20/29,646,070.80 = 12,983,472.40/x
  3. Step 3: Cross multiply
    19,764,047.20x = 29,646,070.80 × 12,983,472.40
  4. Step 4: Simplify right side
    19,764,047.20x = 384,908,942,000,245.94
  5. Step 5: Solve for x
    x = 384,908,942,000,245.94/19,764,047.20
  6. Step 6: Final answer
    x = 19,475,208.60

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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.