Home / 12,291,888.16-16,962,819.60-6,859,378.72

Finding the Fourth Proportional to 12,291,888.16, 16,962,819.60 and 6,859,378.72

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Solution

The fourth proportional to 12,291,888.16, 16,962,819.60 and 6,859,378.72 is: 9,465,950.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,888.16 : 16,962,819.60 = 6,859,378.72 : x
  2. Step 2: Convert to fraction form
    12,291,888.16/16,962,819.60 = 6,859,378.72/x
  3. Step 3: Cross multiply
    12,291,888.16x = 16,962,819.60 × 6,859,378.72
  4. Step 4: Simplify right side
    12,291,888.16x = 116,354,403,795,438.92
  5. Step 5: Solve for x
    x = 116,354,403,795,438.92/12,291,888.16
  6. Step 6: Final answer
    x = 9,465,950.41

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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.