Home / 20,803,772.20-31,205,658.30-19,544,060.20

Finding the Fourth Proportional to 20,803,772.20, 31,205,658.30 and 19,544,060.20

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Solution

The fourth proportional to 20,803,772.20, 31,205,658.30 and 19,544,060.20 is: 29,316,090.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,803,772.20 : 31,205,658.30 = 19,544,060.20 : x
  2. Step 2: Convert to fraction form
    20,803,772.20/31,205,658.30 = 19,544,060.20/x
  3. Step 3: Cross multiply
    20,803,772.20x = 31,205,658.30 × 19,544,060.20
  4. Step 4: Simplify right side
    20,803,772.20x = 609,885,264,395,829.62
  5. Step 5: Solve for x
    x = 609,885,264,395,829.62/20,803,772.20
  6. Step 6: Final answer
    x = 29,316,090.30

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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.