Home / 39,033,453-53,866,481.59-21,630,088.86

Finding the Fourth Proportional to 39,033,453, 53,866,481.59 and 21,630,088.86

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Solution

The fourth proportional to 39,033,453, 53,866,481.59 and 21,630,088.86 is: 29,849,697.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,033,453 : 53,866,481.59 = 21,630,088.86 : x
  2. Step 2: Convert to fraction form
    39,033,453/53,866,481.59 = 21,630,088.86/x
  3. Step 3: Cross multiply
    39,033,453x = 53,866,481.59 × 21,630,088.86
  4. Step 4: Simplify right side
    39,033,453x = 1,165,136,783,367,254.25
  5. Step 5: Solve for x
    x = 1,165,136,783,367,254.25/39,033,453
  6. Step 6: Final answer
    x = 29,849,697.99

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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.