Home / 28,637,048.86-39,520,428.77-16,876,813.56

Finding the Fourth Proportional to 28,637,048.86, 39,520,428.77 and 16,876,813.56

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Solution

The fourth proportional to 28,637,048.86, 39,520,428.77 and 16,876,813.56 is: 23,290,769.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,637,048.86 : 39,520,428.77 = 16,876,813.56 : x
  2. Step 2: Convert to fraction form
    28,637,048.86/39,520,428.77 = 16,876,813.56/x
  3. Step 3: Cross multiply
    28,637,048.86x = 39,520,428.77 × 16,876,813.56
  4. Step 4: Simplify right side
    28,637,048.86x = 666,978,908,104,633.25
  5. Step 5: Solve for x
    x = 666,978,908,104,633.25/28,637,048.86
  6. Step 6: Final answer
    x = 23,290,769.64

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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.