Home / 20,597,938.28-28,426,124.58-11,430,656.36

Finding the Fourth Proportional to 20,597,938.28, 28,426,124.58 and 11,430,656.36

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Solution

The fourth proportional to 20,597,938.28, 28,426,124.58 and 11,430,656.36 is: 15,774,843.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,597,938.28 : 28,426,124.58 = 11,430,656.36 : x
  2. Step 2: Convert to fraction form
    20,597,938.28/28,426,124.58 = 11,430,656.36/x
  3. Step 3: Cross multiply
    20,597,938.28x = 28,426,124.58 × 11,430,656.36
  4. Step 4: Simplify right side
    20,597,938.28x = 324,929,261,720,529.31
  5. Step 5: Solve for x
    x = 324,929,261,720,529.31/20,597,938.28
  6. Step 6: Final answer
    x = 15,774,843.93

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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.