Home / 18,184,414.30-27,280,558.05-5,406,210.70

Finding the Fourth Proportional to 18,184,414.30, 27,280,558.05 and 5,406,210.70

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Solution

The fourth proportional to 18,184,414.30, 27,280,558.05 and 5,406,210.70 is: 8,110,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,184,414.30 : 27,280,558.05 = 5,406,210.70 : x
  2. Step 2: Convert to fraction form
    18,184,414.30/27,280,558.05 = 5,406,210.70/x
  3. Step 3: Cross multiply
    18,184,414.30x = 27,280,558.05 × 5,406,210.70
  4. Step 4: Simplify right side
    18,184,414.30x = 147,484,444,831,881.16
  5. Step 5: Solve for x
    x = 147,484,444,831,881.16/18,184,414.30
  6. Step 6: Final answer
    x = 8,110,486.40

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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.