Home / 12,154,158.10-18,219,832.35-4,586,209.30

Finding the Fourth Proportional to 12,154,158.10, 18,219,832.35 and 4,586,209.30

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Solution

The fourth proportional to 12,154,158.10, 18,219,832.35 and 4,586,209.30 is: 6,875,010.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154,158.10 : 18,219,832.35 = 4,586,209.30 : x
  2. Step 2: Convert to fraction form
    12,154,158.10/18,219,832.35 = 4,586,209.30/x
  3. Step 3: Cross multiply
    12,154,158.10x = 18,219,832.35 × 4,586,209.30
  4. Step 4: Simplify right side
    12,154,158.10x = 83,559,964,568,010.86
  5. Step 5: Solve for x
    x = 83,559,964,568,010.86/12,154,158.10
  6. Step 6: Final answer
    x = 6,875,010.50

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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.