Home / 14,142,779.80-21,214,169.70-8,768,008.60

Finding the Fourth Proportional to 14,142,779.80, 21,214,169.70 and 8,768,008.60

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Solution

The fourth proportional to 14,142,779.80, 21,214,169.70 and 8,768,008.60 is: 13,152,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,142,779.80 : 21,214,169.70 = 8,768,008.60 : x
  2. Step 2: Convert to fraction form
    14,142,779.80/21,214,169.70 = 8,768,008.60/x
  3. Step 3: Cross multiply
    14,142,779.80x = 21,214,169.70 × 8,768,008.60
  4. Step 4: Simplify right side
    14,142,779.80x = 186,006,022,371,459.41
  5. Step 5: Solve for x
    x = 186,006,022,371,459.41/14,142,779.80
  6. Step 6: Final answer
    x = 13,152,012.90

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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.