Home / 14,001,665.70-21,002,498.55-12,804,939.30

Finding the Fourth Proportional to 14,001,665.70, 21,002,498.55 and 12,804,939.30

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Solution

The fourth proportional to 14,001,665.70, 21,002,498.55 and 12,804,939.30 is: 19,207,408.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001,665.70 : 21,002,498.55 = 12,804,939.30 : x
  2. Step 2: Convert to fraction form
    14,001,665.70/21,002,498.55 = 12,804,939.30/x
  3. Step 3: Cross multiply
    14,001,665.70x = 21,002,498.55 × 12,804,939.30
  4. Step 4: Simplify right side
    14,001,665.70x = 268,935,719,081,088.03
  5. Step 5: Solve for x
    x = 268,935,719,081,088.03/14,001,665.70
  6. Step 6: Final answer
    x = 19,207,408.95

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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.