Home / 7,757,423.90-11,636,135.60-3,657,790.72

Finding the Fourth Proportional to 7,757,423.90, 11,636,135.60 and 3,657,790.72

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Solution

The fourth proportional to 7,757,423.90, 11,636,135.60 and 3,657,790.72 is: 5,486,685.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,757,423.90 : 11,636,135.60 = 3,657,790.72 : x
  2. Step 2: Convert to fraction form
    7,757,423.90/11,636,135.60 = 3,657,790.72/x
  3. Step 3: Cross multiply
    7,757,423.90x = 11,636,135.60 × 3,657,790.72
  4. Step 4: Simplify right side
    7,757,423.90x = 42,562,548,814,341.63
  5. Step 5: Solve for x
    x = 42,562,548,814,341.63/7,757,423.90
  6. Step 6: Final answer
    x = 5,486,685.96

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1.5x scale

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.