Home / 21,457,572.80-32,192,061.60-9,321,828.80

Finding the Fourth Proportional to 21,457,572.80, 32,192,061.60 and 9,321,828.80

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Solution

The fourth proportional to 21,457,572.80, 32,192,061.60 and 9,321,828.80 is: 13,985,220.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,457,572.80 : 32,192,061.60 = 9,321,828.80 : x
  2. Step 2: Convert to fraction form
    21,457,572.80/32,192,061.60 = 9,321,828.80/x
  3. Step 3: Cross multiply
    21,457,572.80x = 32,192,061.60 × 9,321,828.80
  4. Step 4: Simplify right side
    21,457,572.80x = 300,088,886,954,254.12
  5. Step 5: Solve for x
    x = 300,088,886,954,254.12/21,457,572.80
  6. Step 6: Final answer
    x = 13,985,220.50

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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.