Home / 28,139,809.80-42,209,714.70-26,572,168.20

Finding the Fourth Proportional to 28,139,809.80, 42,209,714.70 and 26,572,168.20

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Solution

The fourth proportional to 28,139,809.80, 42,209,714.70 and 26,572,168.20 is: 39,858,252.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,139,809.80 : 42,209,714.70 = 26,572,168.20 : x
  2. Step 2: Convert to fraction form
    28,139,809.80/42,209,714.70 = 26,572,168.20/x
  3. Step 3: Cross multiply
    28,139,809.80x = 42,209,714.70 × 26,572,168.20
  4. Step 4: Simplify right side
    28,139,809.80x = 1,121,603,638,682,412.62
  5. Step 5: Solve for x
    x = 1,121,603,638,682,412.62/28,139,809.80
  6. Step 6: Final answer
    x = 39,858,252.30

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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.