Home / 7,808,638.80-10,776,031.58-4,499,103.94

Finding the Fourth Proportional to 7,808,638.80, 10,776,031.58 and 4,499,103.94

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Solution

The fourth proportional to 7,808,638.80, 10,776,031.58 and 4,499,103.94 is: 6,208,826.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808,638.80 : 10,776,031.58 = 4,499,103.94 : x
  2. Step 2: Convert to fraction form
    7,808,638.80/10,776,031.58 = 4,499,103.94/x
  3. Step 3: Cross multiply
    7,808,638.80x = 10,776,031.58 × 4,499,103.94
  4. Step 4: Simplify right side
    7,808,638.80x = 48,482,486,139,142.43
  5. Step 5: Solve for x
    x = 48,482,486,139,142.43/7,808,638.80
  6. Step 6: Final answer
    x = 6,208,826.84

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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.