Home / 13,894,631.94-20,843,957.21-5,256,390.18

Finding the Fourth Proportional to 13,894,631.94, 20,843,957.21 and 5,256,390.18

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Solution

The fourth proportional to 13,894,631.94, 20,843,957.21 and 5,256,390.18 is: 7,885,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894,631.94 : 20,843,957.21 = 5,256,390.18 : x
  2. Step 2: Convert to fraction form
    13,894,631.94/20,843,957.21 = 5,256,390.18/x
  3. Step 3: Cross multiply
    13,894,631.94x = 20,843,957.21 × 5,256,390.18
  4. Step 4: Simplify right side
    13,894,631.94x = 109,563,971,990,984.20
  5. Step 5: Solve for x
    x = 109,563,971,990,984.20/13,894,631.94
  6. Step 6: Final answer
    x = 7,885,345.40

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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.