Home / 28,118,464.47-38,787,855.81-16,356,409.65

Finding the Fourth Proportional to 28,118,464.47, 38,787,855.81 and 16,356,409.65

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Solution

The fourth proportional to 28,118,464.47, 38,787,855.81 and 16,356,409.65 is: 22,562,756.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,118,464.47 : 38,787,855.81 = 16,356,409.65 : x
  2. Step 2: Convert to fraction form
    28,118,464.47/38,787,855.81 = 16,356,409.65/x
  3. Step 3: Cross multiply
    28,118,464.47x = 38,787,855.81 × 16,356,409.65
  4. Step 4: Simplify right side
    28,118,464.47x = 634,430,059,073,492.62
  5. Step 5: Solve for x
    x = 634,430,059,073,492.62/28,118,464.47
  6. Step 6: Final answer
    x = 22,562,756.22

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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.