Home / 12,144,208.68-18,210,123-4,054,276.44

Finding the Fourth Proportional to 12,144,208.68, 18,210,123 and 4,054,276.44

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Solution

The fourth proportional to 12,144,208.68, 18,210,123 and 4,054,276.44 is: 6,079,348.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,144,208.68 : 18,210,123 = 4,054,276.44 : x
  2. Step 2: Convert to fraction form
    12,144,208.68/18,210,123 = 4,054,276.44/x
  3. Step 3: Cross multiply
    12,144,208.68x = 18,210,123 × 4,054,276.44
  4. Step 4: Simplify right side
    12,144,208.68x = 73,828,872,648,402.12
  5. Step 5: Solve for x
    x = 73,828,872,648,402.12/12,144,208.68
  6. Step 6: Final answer
    x = 6,079,348.16

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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.