Home / 12,219,330.45-16,860,803.20-7,061,696.76

Finding the Fourth Proportional to 12,219,330.45, 16,860,803.20 and 7,061,696.76

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Solution

The fourth proportional to 12,219,330.45, 16,860,803.20 and 7,061,696.76 is: 9,744,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,330.45 : 16,860,803.20 = 7,061,696.76 : x
  2. Step 2: Convert to fraction form
    12,219,330.45/16,860,803.20 = 7,061,696.76/x
  3. Step 3: Cross multiply
    12,219,330.45x = 16,860,803.20 × 7,061,696.76
  4. Step 4: Simplify right side
    12,219,330.45x = 119,065,879,328,437.62
  5. Step 5: Solve for x
    x = 119,065,879,328,437.62/12,219,330.45
  6. Step 6: Final answer
    x = 9,744,059.20

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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.