Home / 15,205,074.76-20,983,525.50-8,329,555

Finding the Fourth Proportional to 15,205,074.76, 20,983,525.50 and 8,329,555

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Solution

The fourth proportional to 15,205,074.76, 20,983,525.50 and 8,329,555 is: 11,495,072.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,205,074.76 : 20,983,525.50 = 8,329,555 : x
  2. Step 2: Convert to fraction form
    15,205,074.76/20,983,525.50 = 8,329,555/x
  3. Step 3: Cross multiply
    15,205,074.76x = 20,983,525.50 × 8,329,555
  4. Step 4: Simplify right side
    15,205,074.76x = 174,783,429,746,152.50
  5. Step 5: Solve for x
    x = 174,783,429,746,152.50/15,205,074.76
  6. Step 6: Final answer
    x = 11,495,072.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.