Home / 12,051,890.60-18,070,551.08-4,855,018.96

Finding the Fourth Proportional to 12,051,890.60, 18,070,551.08 and 4,855,018.96

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Solution

The fourth proportional to 12,051,890.60, 18,070,551.08 and 4,855,018.96 is: 7,279,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051,890.60 : 18,070,551.08 = 4,855,018.96 : x
  2. Step 2: Convert to fraction form
    12,051,890.60/18,070,551.08 = 4,855,018.96/x
  3. Step 3: Cross multiply
    12,051,890.60x = 18,070,551.08 × 4,855,018.96
  4. Step 4: Simplify right side
    12,051,890.60x = 87,732,868,111,048.47
  5. Step 5: Solve for x
    x = 87,732,868,111,048.47/12,051,890.60
  6. Step 6: Final answer
    x = 7,279,593.80

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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.