Home / 28,018,801.80-42,028,202.70-9,843,519.60

Finding the Fourth Proportional to 28,018,801.80, 42,028,202.70 and 9,843,519.60

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Solution

The fourth proportional to 28,018,801.80, 42,028,202.70 and 9,843,519.60 is: 14,765,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,018,801.80 : 42,028,202.70 = 9,843,519.60 : x
  2. Step 2: Convert to fraction form
    28,018,801.80/42,028,202.70 = 9,843,519.60/x
  3. Step 3: Cross multiply
    28,018,801.80x = 42,028,202.70 × 9,843,519.60
  4. Step 4: Simplify right side
    28,018,801.80x = 413,705,437,030,222.94
  5. Step 5: Solve for x
    x = 413,705,437,030,222.94/28,018,801.80
  6. Step 6: Final answer
    x = 14,765,279.40

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1.5x scale

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.