Home / 20,845,043.64-28,767,307.32-11,552,420.34

Finding the Fourth Proportional to 20,845,043.64, 28,767,307.32 and 11,552,420.34

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Solution

The fourth proportional to 20,845,043.64, 28,767,307.32 and 11,552,420.34 is: 15,942,975.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,845,043.64 : 28,767,307.32 = 11,552,420.34 : x
  2. Step 2: Convert to fraction form
    20,845,043.64/28,767,307.32 = 11,552,420.34/x
  3. Step 3: Cross multiply
    20,845,043.64x = 28,767,307.32 × 11,552,420.34
  4. Step 4: Simplify right side
    20,845,043.64x = 332,332,026,210,598.88
  5. Step 5: Solve for x
    x = 332,332,026,210,598.88/20,845,043.64
  6. Step 6: Final answer
    x = 15,942,975.80

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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.