Home / 28,553,269.86-39,403,561.62-16,330,126.86

Finding the Fourth Proportional to 28,553,269.86, 39,403,561.62 and 16,330,126.86

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Solution

The fourth proportional to 28,553,269.86, 39,403,561.62 and 16,330,126.86 is: 22,535,603.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,553,269.86 : 39,403,561.62 = 16,330,126.86 : x
  2. Step 2: Convert to fraction form
    28,553,269.86/39,403,561.62 = 16,330,126.86/x
  3. Step 3: Cross multiply
    28,553,269.86x = 39,403,561.62 × 16,330,126.86
  4. Step 4: Simplify right side
    28,553,269.86x = 643,465,159,990,427
  5. Step 5: Solve for x
    x = 643,465,159,990,427/28,553,269.86
  6. Step 6: Final answer
    x = 22,535,603.21

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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.