Home / 12,492,086.40-18,738,129.60-3,516,638.40

Finding the Fourth Proportional to 12,492,086.40, 18,738,129.60 and 3,516,638.40

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Solution

The fourth proportional to 12,492,086.40, 18,738,129.60 and 3,516,638.40 is: 5,274,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492,086.40 : 18,738,129.60 = 3,516,638.40 : x
  2. Step 2: Convert to fraction form
    12,492,086.40/18,738,129.60 = 3,516,638.40/x
  3. Step 3: Cross multiply
    12,492,086.40x = 18,738,129.60 × 3,516,638.40
  4. Step 4: Simplify right side
    12,492,086.40x = 65,895,226,095,536.64
  5. Step 5: Solve for x
    x = 65,895,226,095,536.64/12,492,086.40
  6. Step 6: Final answer
    x = 5,274,957.60

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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.