Home / 15,159,809.70-22,739,714.55-12,768,325.20

Finding the Fourth Proportional to 15,159,809.70, 22,739,714.55 and 12,768,325.20

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Solution

The fourth proportional to 15,159,809.70, 22,739,714.55 and 12,768,325.20 is: 19,152,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,159,809.70 : 22,739,714.55 = 12,768,325.20 : x
  2. Step 2: Convert to fraction form
    15,159,809.70/22,739,714.55 = 12,768,325.20/x
  3. Step 3: Cross multiply
    15,159,809.70x = 22,739,714.55 × 12,768,325.20
  4. Step 4: Simplify right side
    15,159,809.70x = 290,348,070,329,571.62
  5. Step 5: Solve for x
    x = 290,348,070,329,571.62/15,159,809.70
  6. Step 6: Final answer
    x = 19,152,487.80

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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.