Home / 20,552,566.86-28,365,563.70-11,849,039.51

Finding the Fourth Proportional to 20,552,566.86, 28,365,563.70 and 11,849,039.51

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Solution

The fourth proportional to 20,552,566.86, 28,365,563.70 and 11,849,039.51 is: 16,353,416.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552,566.86 : 28,365,563.70 = 11,849,039.51 : x
  2. Step 2: Convert to fraction form
    20,552,566.86/28,365,563.70 = 11,849,039.51/x
  3. Step 3: Cross multiply
    20,552,566.86x = 28,365,563.70 × 11,849,039.51
  4. Step 4: Simplify right side
    20,552,566.86x = 336,104,684,862,894
  5. Step 5: Solve for x
    x = 336,104,684,862,894/20,552,566.86
  6. Step 6: Final answer
    x = 16,353,416.44

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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.