Home / 18,692,780.20-28,028,111.10-9,734,828.20

Finding the Fourth Proportional to 18,692,780.20, 28,028,111.10 and 9,734,828.20

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Solution

The fourth proportional to 18,692,780.20, 28,028,111.10 and 9,734,828.20 is: 14,596,482.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,692,780.20 : 28,028,111.10 = 9,734,828.20 : x
  2. Step 2: Convert to fraction form
    18,692,780.20/28,028,111.10 = 9,734,828.20/x
  3. Step 3: Cross multiply
    18,692,780.20x = 28,028,111.10 × 9,734,828.20
  4. Step 4: Simplify right side
    18,692,780.20x = 272,848,846,329,013
  5. Step 5: Solve for x
    x = 272,848,846,329,013/18,692,780.20
  6. Step 6: Final answer
    x = 14,596,482.89

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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.