Home / 28,436,718.72-39,243,784.46-16,674,352.32

Finding the Fourth Proportional to 28,436,718.72, 39,243,784.46 and 16,674,352.32

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Solution

The fourth proportional to 28,436,718.72, 39,243,784.46 and 16,674,352.32 is: 23,011,258.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,436,718.72 : 39,243,784.46 = 16,674,352.32 : x
  2. Step 2: Convert to fraction form
    28,436,718.72/39,243,784.46 = 16,674,352.32/x
  3. Step 3: Cross multiply
    28,436,718.72x = 39,243,784.46 × 16,674,352.32
  4. Step 4: Simplify right side
    28,436,718.72x = 654,364,688,372,809.12
  5. Step 5: Solve for x
    x = 654,364,688,372,809.12/28,436,718.72
  6. Step 6: Final answer
    x = 23,011,258.61

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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.