Home / 18,718,228.20-28,077,342.30-6,587,595.30

Finding the Fourth Proportional to 18,718,228.20, 28,077,342.30 and 6,587,595.30

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Solution

The fourth proportional to 18,718,228.20, 28,077,342.30 and 6,587,595.30 is: 9,881,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,718,228.20 : 28,077,342.30 = 6,587,595.30 : x
  2. Step 2: Convert to fraction form
    18,718,228.20/28,077,342.30 = 6,587,595.30/x
  3. Step 3: Cross multiply
    18,718,228.20x = 28,077,342.30 × 6,587,595.30
  4. Step 4: Simplify right side
    18,718,228.20x = 184,962,168,171,971.19
  5. Step 5: Solve for x
    x = 184,962,168,171,971.19/18,718,228.20
  6. Step 6: Final answer
    x = 9,881,392.95

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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.