Home / 28,664,068.77-39,559,975.92-16,278,140.79

Finding the Fourth Proportional to 28,664,068.77, 39,559,975.92 and 16,278,140.79

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Solution

The fourth proportional to 28,664,068.77, 39,559,975.92 and 16,278,140.79 is: 22,465,856.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,664,068.77 : 39,559,975.92 = 16,278,140.79 : x
  2. Step 2: Convert to fraction form
    28,664,068.77/39,559,975.92 = 16,278,140.79/x
  3. Step 3: Cross multiply
    28,664,068.77x = 39,559,975.92 × 16,278,140.79
  4. Step 4: Simplify right side
    28,664,068.77x = 643,962,857,674,769.75
  5. Step 5: Solve for x
    x = 643,962,857,674,769.75/28,664,068.77
  6. Step 6: Final answer
    x = 22,465,856.57

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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.