Home / 8,600,172.98-12,900,285.95-2,123,249.04

Finding the Fourth Proportional to 8,600,172.98, 12,900,285.95 and 2,123,249.04

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Solution

The fourth proportional to 8,600,172.98, 12,900,285.95 and 2,123,249.04 is: 3,184,880.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600,172.98 : 12,900,285.95 = 2,123,249.04 : x
  2. Step 2: Convert to fraction form
    8,600,172.98/12,900,285.95 = 2,123,249.04/x
  3. Step 3: Cross multiply
    8,600,172.98x = 12,900,285.95 × 2,123,249.04
  4. Step 4: Simplify right side
    8,600,172.98x = 27,390,519,748,446.74
  5. Step 5: Solve for x
    x = 27,390,519,748,446.74/8,600,172.98
  6. Step 6: Final answer
    x = 3,184,880.10

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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.