Home / 15,778,121,004.69-21,774,491,429.99-8,737,590,636.69

Finding the Fourth Proportional to 15,778,121,004.69, 21,774,491,429.99 and 8,737,590,636.69

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Solution

The fourth proportional to 15,778,121,004.69, 21,774,491,429.99 and 8,737,590,636.69 is: 12,058,254,109.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,778,121,004.69 : 21,774,491,429.99 = 8,737,590,636.69 : x
  2. Step 2: Convert to fraction form
    15,778,121,004.69/21,774,491,429.99 = 8,737,590,636.69/x
  3. Step 3: Cross multiply
    15,778,121,004.69x = 21,774,491,429.99 × 8,737,590,636.69
  4. Step 4: Simplify right side
    15,778,121,004.69x = 190,256,592,437,367,308,288
  5. Step 5: Solve for x
    x = 190,256,592,437,367,308,288/15,778,121,004.69
  6. Step 6: Final answer
    x = 12,058,254,109.02

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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.