Home / 21,368,762.96-29,485,631.20-12,072,941.16

Finding the Fourth Proportional to 21,368,762.96, 29,485,631.20 and 12,072,941.16

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Solution

The fourth proportional to 21,368,762.96, 29,485,631.20 and 12,072,941.16 is: 16,658,816.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,368,762.96 : 29,485,631.20 = 12,072,941.16 : x
  2. Step 2: Convert to fraction form
    21,368,762.96/29,485,631.20 = 12,072,941.16/x
  3. Step 3: Cross multiply
    21,368,762.96x = 29,485,631.20 × 12,072,941.16
  4. Step 4: Simplify right side
    21,368,762.96x = 355,978,290,543,060.19
  5. Step 5: Solve for x
    x = 355,978,290,543,060.19/21,368,762.96
  6. Step 6: Final answer
    x = 16,658,816.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.