Home / 21,856,005.20-32,784,007.80-17,604,477.20

Finding the Fourth Proportional to 21,856,005.20, 32,784,007.80 and 17,604,477.20

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Solution

The fourth proportional to 21,856,005.20, 32,784,007.80 and 17,604,477.20 is: 26,406,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856,005.20 : 32,784,007.80 = 17,604,477.20 : x
  2. Step 2: Convert to fraction form
    21,856,005.20/32,784,007.80 = 17,604,477.20/x
  3. Step 3: Cross multiply
    21,856,005.20x = 32,784,007.80 × 17,604,477.20
  4. Step 4: Simplify right side
    21,856,005.20x = 577,145,317,839,722.12
  5. Step 5: Solve for x
    x = 577,145,317,839,722.12/21,856,005.20
  6. Step 6: Final answer
    x = 26,406,715.80

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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.