Home / 20,598,373.44-30,900,448.08-6,219,810.72

Finding the Fourth Proportional to 20,598,373.44, 30,900,448.08 and 6,219,810.72

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Solution

The fourth proportional to 20,598,373.44, 30,900,448.08 and 6,219,810.72 is: 9,330,588.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,598,373.44 : 30,900,448.08 = 6,219,810.72 : x
  2. Step 2: Convert to fraction form
    20,598,373.44/30,900,448.08 = 6,219,810.72/x
  3. Step 3: Cross multiply
    20,598,373.44x = 30,900,448.08 × 6,219,810.72
  4. Step 4: Simplify right side
    20,598,373.44x = 192,194,938,220,787.41
  5. Step 5: Solve for x
    x = 192,194,938,220,787.41/20,598,373.44
  6. Step 6: Final answer
    x = 9,330,588.11

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1.5x scale

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.