Home / 25,429,483.50-38,140,633.76-8,155,439.70

Finding the Fourth Proportional to 25,429,483.50, 38,140,633.76 and 8,155,439.70

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Solution

The fourth proportional to 25,429,483.50, 38,140,633.76 and 8,155,439.70 is: 12,232,007.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,429,483.50 : 38,140,633.76 = 8,155,439.70 : x
  2. Step 2: Convert to fraction form
    25,429,483.50/38,140,633.76 = 8,155,439.70/x
  3. Step 3: Cross multiply
    25,429,483.50x = 38,140,633.76 × 8,155,439.70
  4. Step 4: Simplify right side
    25,429,483.50x = 311,053,638,749,464.25
  5. Step 5: Solve for x
    x = 311,053,638,749,464.25/25,429,483.50
  6. Step 6: Final answer
    x = 12,232,007.73

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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.