Home / 28,189,045-42,283,567.50-6,913,909

Finding the Fourth Proportional to 28,189,045, 42,283,567.50 and 6,913,909

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Solution

The fourth proportional to 28,189,045, 42,283,567.50 and 6,913,909 is: 10,370,863.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,189,045 : 42,283,567.50 = 6,913,909 : x
  2. Step 2: Convert to fraction form
    28,189,045/42,283,567.50 = 6,913,909/x
  3. Step 3: Cross multiply
    28,189,045x = 42,283,567.50 × 6,913,909
  4. Step 4: Simplify right side
    28,189,045x = 292,344,737,890,357.50
  5. Step 5: Solve for x
    x = 292,344,737,890,357.50/28,189,045
  6. Step 6: Final answer
    x = 10,370,863.50

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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.