Home / 13,889,077.04-20,812,693.44-12,375,470.72

Finding the Fourth Proportional to 13,889,077.04, 20,812,693.44 and 12,375,470.72

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Solution

The fourth proportional to 13,889,077.04, 20,812,693.44 and 12,375,470.72 is: 18,544,564.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889,077.04 : 20,812,693.44 = 12,375,470.72 : x
  2. Step 2: Convert to fraction form
    13,889,077.04/20,812,693.44 = 12,375,470.72/x
  3. Step 3: Cross multiply
    13,889,077.04x = 20,812,693.44 × 12,375,470.72
  4. Step 4: Simplify right side
    13,889,077.04x = 257,566,878,271,056.09
  5. Step 5: Solve for x
    x = 257,566,878,271,056.09/13,889,077.04
  6. Step 6: Final answer
    x = 18,544,564.01

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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.