Home / 21,529,337.49-32,294,122.47-5,355,288.78

Finding the Fourth Proportional to 21,529,337.49, 32,294,122.47 and 5,355,288.78

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Solution

The fourth proportional to 21,529,337.49, 32,294,122.47 and 5,355,288.78 is: 8,032,962.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,529,337.49 : 32,294,122.47 = 5,355,288.78 : x
  2. Step 2: Convert to fraction form
    21,529,337.49/32,294,122.47 = 5,355,288.78/x
  3. Step 3: Cross multiply
    21,529,337.49x = 32,294,122.47 × 5,355,288.78
  4. Step 4: Simplify right side
    21,529,337.49x = 172,944,351,602,433.94
  5. Step 5: Solve for x
    x = 172,944,351,602,433.94/21,529,337.49
  6. Step 6: Final answer
    x = 8,032,962.08

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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.