Home / 13,069,337.80-19,604,006.70-12,481,472.20

Finding the Fourth Proportional to 13,069,337.80, 19,604,006.70 and 12,481,472.20

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Solution

The fourth proportional to 13,069,337.80, 19,604,006.70 and 12,481,472.20 is: 18,722,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069,337.80 : 19,604,006.70 = 12,481,472.20 : x
  2. Step 2: Convert to fraction form
    13,069,337.80/19,604,006.70 = 12,481,472.20/x
  3. Step 3: Cross multiply
    13,069,337.80x = 19,604,006.70 × 12,481,472.20
  4. Step 4: Simplify right side
    13,069,337.80x = 244,686,864,634,663.72
  5. Step 5: Solve for x
    x = 244,686,864,634,663.72/13,069,337.80
  6. Step 6: Final answer
    x = 18,722,208.30

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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.