Home / 15,152,811.92-20,868,370.42-14,180,253.02

Finding the Fourth Proportional to 15,152,811.92, 20,868,370.42 and 14,180,253.02

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Solution

The fourth proportional to 15,152,811.92, 20,868,370.42 and 14,180,253.02 is: 19,528,967.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,152,811.92 : 20,868,370.42 = 14,180,253.02 : x
  2. Step 2: Convert to fraction form
    15,152,811.92/20,868,370.42 = 14,180,253.02/x
  3. Step 3: Cross multiply
    15,152,811.92x = 20,868,370.42 × 14,180,253.02
  4. Step 4: Simplify right side
    15,152,811.92x = 295,918,772,670,683.69
  5. Step 5: Solve for x
    x = 295,918,772,670,683.69/15,152,811.92
  6. Step 6: Final answer
    x = 19,528,967.58

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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.