Home / 14,515,964.89-20,032,030.35-7,900,600.73

Finding the Fourth Proportional to 14,515,964.89, 20,032,030.35 and 7,900,600.73

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Solution

The fourth proportional to 14,515,964.89, 20,032,030.35 and 7,900,600.73 is: 10,902,828.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515,964.89 : 20,032,030.35 = 7,900,600.73 : x
  2. Step 2: Convert to fraction form
    14,515,964.89/20,032,030.35 = 7,900,600.73/x
  3. Step 3: Cross multiply
    14,515,964.89x = 20,032,030.35 × 7,900,600.73
  4. Step 4: Simplify right side
    14,515,964.89x = 158,265,073,506,432
  5. Step 5: Solve for x
    x = 158,265,073,506,432/14,515,964.89
  6. Step 6: Final answer
    x = 10,902,828.35

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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.