Home / 20,554,810.64-30,830,043.32-10,835,529.77

Finding the Fourth Proportional to 20,554,810.64, 30,830,043.32 and 10,835,529.77

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Solution

The fourth proportional to 20,554,810.64, 30,830,043.32 and 10,835,529.77 is: 16,252,149.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554,810.64 : 30,830,043.32 = 10,835,529.77 : x
  2. Step 2: Convert to fraction form
    20,554,810.64/30,830,043.32 = 10,835,529.77/x
  3. Step 3: Cross multiply
    20,554,810.64x = 30,830,043.32 × 10,835,529.77
  4. Step 4: Simplify right side
    20,554,810.64x = 334,059,852,267,780.38
  5. Step 5: Solve for x
    x = 334,059,852,267,780.38/20,554,810.64
  6. Step 6: Final answer
    x = 16,252,149.34

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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.