Home / 11,685,465.95-17,512,928.73-8,457,875.15

Finding the Fourth Proportional to 11,685,465.95, 17,512,928.73 and 8,457,875.15

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Solution

The fourth proportional to 11,685,465.95, 17,512,928.73 and 8,457,875.15 is: 12,675,760.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685,465.95 : 17,512,928.73 = 8,457,875.15 : x
  2. Step 2: Convert to fraction form
    11,685,465.95/17,512,928.73 = 8,457,875.15/x
  3. Step 3: Cross multiply
    11,685,465.95x = 17,512,928.73 × 8,457,875.15
  4. Step 4: Simplify right side
    11,685,465.95x = 148,122,164,621,623.41
  5. Step 5: Solve for x
    x = 148,122,164,621,623.41/11,685,465.95
  6. Step 6: Final answer
    x = 12,675,760.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.