Home / 10,866,854.89-16,300,840.52-2,779,900.57

Finding the Fourth Proportional to 10,866,854.89, 16,300,840.52 and 2,779,900.57

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Solution

The fourth proportional to 10,866,854.89, 16,300,840.52 and 2,779,900.57 is: 4,169,993.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866,854.89 : 16,300,840.52 = 2,779,900.57 : x
  2. Step 2: Convert to fraction form
    10,866,854.89/16,300,840.52 = 2,779,900.57/x
  3. Step 3: Cross multiply
    10,866,854.89x = 16,300,840.52 × 2,779,900.57
  4. Step 4: Simplify right side
    10,866,854.89x = 45,314,715,853,027.09
  5. Step 5: Solve for x
    x = 45,314,715,853,027.09/10,866,854.89
  6. Step 6: Final answer
    x = 4,169,993.65

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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.