Home / 25,563,931.80-38,345,897.70-12,127,003.80

Finding the Fourth Proportional to 25,563,931.80, 38,345,897.70 and 12,127,003.80

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Solution

The fourth proportional to 25,563,931.80, 38,345,897.70 and 12,127,003.80 is: 18,190,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,563,931.80 : 38,345,897.70 = 12,127,003.80 : x
  2. Step 2: Convert to fraction form
    25,563,931.80/38,345,897.70 = 12,127,003.80/x
  3. Step 3: Cross multiply
    25,563,931.80x = 38,345,897.70 × 12,127,003.80
  4. Step 4: Simplify right side
    25,563,931.80x = 465,020,847,122,311.31
  5. Step 5: Solve for x
    x = 465,020,847,122,311.31/25,563,931.80
  6. Step 6: Final answer
    x = 18,190,505.70

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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.