Home / 28,223,740.51-42,335,618.06-8,028,982.51

Finding the Fourth Proportional to 28,223,740.51, 42,335,618.06 and 8,028,982.51

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Solution

The fourth proportional to 28,223,740.51, 42,335,618.06 and 8,028,982.51 is: 12,043,475.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,223,740.51 : 42,335,618.06 = 8,028,982.51 : x
  2. Step 2: Convert to fraction form
    28,223,740.51/42,335,618.06 = 8,028,982.51/x
  3. Step 3: Cross multiply
    28,223,740.51x = 42,335,618.06 × 8,028,982.51
  4. Step 4: Simplify right side
    28,223,740.51x = 339,911,936,953,780.12
  5. Step 5: Solve for x
    x = 339,911,936,953,780.12/28,223,740.51
  6. Step 6: Final answer
    x = 12,043,475.84

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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.