Home / 10,710,145.57-16,065,779.38-8,155,367.50

Finding the Fourth Proportional to 10,710,145.57, 16,065,779.38 and 8,155,367.50

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Solution

The fourth proportional to 10,710,145.57, 16,065,779.38 and 8,155,367.50 is: 12,233,478.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,710,145.57 : 16,065,779.38 = 8,155,367.50 : x
  2. Step 2: Convert to fraction form
    10,710,145.57/16,065,779.38 = 8,155,367.50/x
  3. Step 3: Cross multiply
    10,710,145.57x = 16,065,779.38 × 8,155,367.50
  4. Step 4: Simplify right side
    10,710,145.57x = 131,022,334,957,269.27
  5. Step 5: Solve for x
    x = 131,022,334,957,269.27/10,710,145.57
  6. Step 6: Final answer
    x = 12,233,478.45

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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.