Home / 20,487,856.60-30,733,340.10-6,109,802.20

Finding the Fourth Proportional to 20,487,856.60, 30,733,340.10 and 6,109,802.20

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Solution

The fourth proportional to 20,487,856.60, 30,733,340.10 and 6,109,802.20 is: 9,165,167.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,487,856.60 : 30,733,340.10 = 6,109,802.20 : x
  2. Step 2: Convert to fraction form
    20,487,856.60/30,733,340.10 = 6,109,802.20/x
  3. Step 3: Cross multiply
    20,487,856.60x = 30,733,340.10 × 6,109,802.20
  4. Step 4: Simplify right side
    20,487,856.60x = 187,774,628,956,328.25
  5. Step 5: Solve for x
    x = 187,774,628,956,328.25/20,487,856.60
  6. Step 6: Final answer
    x = 9,165,167.09

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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.