Home / 12,054,291.40-18,081,437.10-7,267,385.80

Finding the Fourth Proportional to 12,054,291.40, 18,081,437.10 and 7,267,385.80

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Solution

The fourth proportional to 12,054,291.40, 18,081,437.10 and 7,267,385.80 is: 10,901,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,054,291.40 : 18,081,437.10 = 7,267,385.80 : x
  2. Step 2: Convert to fraction form
    12,054,291.40/18,081,437.10 = 7,267,385.80/x
  3. Step 3: Cross multiply
    12,054,291.40x = 18,081,437.10 × 7,267,385.80
  4. Step 4: Simplify right side
    12,054,291.40x = 131,404,779,224,133.19
  5. Step 5: Solve for x
    x = 131,404,779,224,133.19/12,054,291.40
  6. Step 6: Final answer
    x = 10,901,078.70

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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.