Home / 18,594,056.40-27,891,084.60-15,617,986.80

Finding the Fourth Proportional to 18,594,056.40, 27,891,084.60 and 15,617,986.80

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Solution

The fourth proportional to 18,594,056.40, 27,891,084.60 and 15,617,986.80 is: 23,426,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,594,056.40 : 27,891,084.60 = 15,617,986.80 : x
  2. Step 2: Convert to fraction form
    18,594,056.40/27,891,084.60 = 15,617,986.80/x
  3. Step 3: Cross multiply
    18,594,056.40x = 27,891,084.60 × 15,617,986.80
  4. Step 4: Simplify right side
    18,594,056.40x = 435,602,591,120,483.31
  5. Step 5: Solve for x
    x = 435,602,591,120,483.31/18,594,056.40
  6. Step 6: Final answer
    x = 23,426,980.20

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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.