Home / 10,866,833.60-16,300,808.60-2,779,879.30

Finding the Fourth Proportional to 10,866,833.60, 16,300,808.60 and 2,779,879.30

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Solution

The fourth proportional to 10,866,833.60, 16,300,808.60 and 2,779,879.30 is: 4,169,961.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866,833.60 : 16,300,808.60 = 2,779,879.30 : x
  2. Step 2: Convert to fraction form
    10,866,833.60/16,300,808.60 = 2,779,879.30/x
  3. Step 3: Cross multiply
    10,866,833.60x = 16,300,808.60 × 2,779,879.30
  4. Step 4: Simplify right side
    10,866,833.60x = 45,314,280,361,384.60
  5. Step 5: Solve for x
    x = 45,314,280,361,384.60/10,866,833.60
  6. Step 6: Final answer
    x = 4,169,961.74

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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.