Home / 28,571,220.42-39,428,705.85-16,181,006.11

Finding the Fourth Proportional to 28,571,220.42, 39,428,705.85 and 16,181,006.11

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Solution

The fourth proportional to 28,571,220.42, 39,428,705.85 and 16,181,006.11 is: 22,330,027.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,571,220.42 : 39,428,705.85 = 16,181,006.11 : x
  2. Step 2: Convert to fraction form
    28,571,220.42/39,428,705.85 = 16,181,006.11/x
  3. Step 3: Cross multiply
    28,571,220.42x = 39,428,705.85 × 16,181,006.11
  4. Step 4: Simplify right side
    28,571,220.42x = 637,996,130,108,992.12
  5. Step 5: Solve for x
    x = 637,996,130,108,992.12/28,571,220.42
  6. Step 6: Final answer
    x = 22,330,027.24

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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.