Home / 21,282,962.64-29,370,487.93-11,493,406.02

Finding the Fourth Proportional to 21,282,962.64, 29,370,487.93 and 11,493,406.02

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Solution

The fourth proportional to 21,282,962.64, 29,370,487.93 and 11,493,406.02 is: 15,860,900.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,282,962.64 : 29,370,487.93 = 11,493,406.02 : x
  2. Step 2: Convert to fraction form
    21,282,962.64/29,370,487.93 = 11,493,406.02/x
  3. Step 3: Cross multiply
    21,282,962.64x = 29,370,487.93 × 11,493,406.02
  4. Step 4: Simplify right side
    21,282,962.64x = 337,566,942,784,999.31
  5. Step 5: Solve for x
    x = 337,566,942,784,999.31/21,282,962.64
  6. Step 6: Final answer
    x = 15,860,900.03

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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.