Home / 20,594,783.63-28,420,801.47-11,428,901.39

Finding the Fourth Proportional to 20,594,783.63, 28,420,801.47 and 11,428,901.39

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Solution

The fourth proportional to 20,594,783.63, 28,420,801.47 and 11,428,901.39 is: 15,771,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594,783.63 : 28,420,801.47 = 11,428,901.39 : x
  2. Step 2: Convert to fraction form
    20,594,783.63/28,420,801.47 = 11,428,901.39/x
  3. Step 3: Cross multiply
    20,594,783.63x = 28,420,801.47 × 11,428,901.39
  4. Step 4: Simplify right side
    20,594,783.63x = 324,818,537,283,293
  5. Step 5: Solve for x
    x = 324,818,537,283,293/20,594,783.63
  6. Step 6: Final answer
    x = 15,771,883.95

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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.