Home / 21,457,571.80-32,192,060.10-9,321,827.80

Finding the Fourth Proportional to 21,457,571.80, 32,192,060.10 and 9,321,827.80

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Solution

The fourth proportional to 21,457,571.80, 32,192,060.10 and 9,321,827.80 is: 13,985,219.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,457,571.80 : 32,192,060.10 = 9,321,827.80 : x
  2. Step 2: Convert to fraction form
    21,457,571.80/32,192,060.10 = 9,321,827.80/x
  3. Step 3: Cross multiply
    21,457,571.80x = 32,192,060.10 × 9,321,827.80
  4. Step 4: Simplify right side
    21,457,571.80x = 300,088,840,779,450.81
  5. Step 5: Solve for x
    x = 300,088,840,779,450.81/21,457,571.80
  6. Step 6: Final answer
    x = 13,985,219.00

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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.