Home / 28,009,820.20-42,014,730.30-17,496,473.80

Finding the Fourth Proportional to 28,009,820.20, 42,014,730.30 and 17,496,473.80

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Solution

The fourth proportional to 28,009,820.20, 42,014,730.30 and 17,496,473.80 is: 26,244,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,009,820.20 : 42,014,730.30 = 17,496,473.80 : x
  2. Step 2: Convert to fraction form
    28,009,820.20/42,014,730.30 = 17,496,473.80/x
  3. Step 3: Cross multiply
    28,009,820.20x = 42,014,730.30 × 17,496,473.80
  4. Step 4: Simplify right side
    28,009,820.20x = 735,109,627,908,016.12
  5. Step 5: Solve for x
    x = 735,109,627,908,016.12/28,009,820.20
  6. Step 6: Final answer
    x = 26,244,710.70

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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.