Home / 21,050,103.70-31,575,155.55-21,050,103.70

Finding the Fourth Proportional to 21,050,103.70, 31,575,155.55 and 21,050,103.70

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Solution

The fourth proportional to 21,050,103.70, 31,575,155.55 and 21,050,103.70 is: 31,575,155.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,050,103.70 : 31,575,155.55 = 21,050,103.70 : x
  2. Step 2: Convert to fraction form
    21,050,103.70/31,575,155.55 = 21,050,103.70/x
  3. Step 3: Cross multiply
    21,050,103.70x = 31,575,155.55 × 21,050,103.70
  4. Step 4: Simplify right side
    21,050,103.70x = 664,660,298,671,130.50
  5. Step 5: Solve for x
    x = 664,660,298,671,130.50/21,050,103.70
  6. Step 6: Final answer
    x = 31,575,155.55

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Similar ratio
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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.