Home / 28,153,820.81-42,215,336.13-22,355,254.74

Finding the Fourth Proportional to 28,153,820.81, 42,215,336.13 and 22,355,254.74

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Solution

The fourth proportional to 28,153,820.81, 42,215,336.13 and 22,355,254.74 is: 33,520,657.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,153,820.81 : 42,215,336.13 = 22,355,254.74 : x
  2. Step 2: Convert to fraction form
    28,153,820.81/42,215,336.13 = 22,355,254.74/x
  3. Step 3: Cross multiply
    28,153,820.81x = 42,215,336.13 × 22,355,254.74
  4. Step 4: Simplify right side
    28,153,820.81x = 943,734,593,120,875.75
  5. Step 5: Solve for x
    x = 943,734,593,120,875.75/28,153,820.81
  6. Step 6: Final answer
    x = 33,520,657.81

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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.