Home / 20,902,430.48-28,847,173.14-11,611,807.83

Finding the Fourth Proportional to 20,902,430.48, 28,847,173.14 and 11,611,807.83

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Solution

The fourth proportional to 20,902,430.48, 28,847,173.14 and 11,611,807.83 is: 16,025,305.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,902,430.48 : 28,847,173.14 = 11,611,807.83 : x
  2. Step 2: Convert to fraction form
    20,902,430.48/28,847,173.14 = 11,611,807.83/x
  3. Step 3: Cross multiply
    20,902,430.48x = 28,847,173.14 × 11,611,807.83
  4. Step 4: Simplify right side
    20,902,430.48x = 334,967,830,940,417.69
  5. Step 5: Solve for x
    x = 334,967,830,940,417.69/20,902,430.48
  6. Step 6: Final answer
    x = 16,025,305.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.