Home / 21,720,220.60-32,570,708.10-7,339,383.40

Finding the Fourth Proportional to 21,720,220.60, 32,570,708.10 and 7,339,383.40

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Solution

The fourth proportional to 21,720,220.60, 32,570,708.10 and 7,339,383.40 is: 11,005,823.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,720,220.60 : 32,570,708.10 = 7,339,383.40 : x
  2. Step 2: Convert to fraction form
    21,720,220.60/32,570,708.10 = 7,339,383.40/x
  3. Step 3: Cross multiply
    21,720,220.60x = 32,570,708.10 × 7,339,383.40
  4. Step 4: Simplify right side
    21,720,220.60x = 239,048,914,355,385.56
  5. Step 5: Solve for x
    x = 239,048,914,355,385.56/21,720,220.60
  6. Step 6: Final answer
    x = 11,005,823.50

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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.