Home / 13,351,514.60-20,027,271.90-12,455,719.40

Finding the Fourth Proportional to 13,351,514.60, 20,027,271.90 and 12,455,719.40

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Solution

The fourth proportional to 13,351,514.60, 20,027,271.90 and 12,455,719.40 is: 18,683,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351,514.60 : 20,027,271.90 = 12,455,719.40 : x
  2. Step 2: Convert to fraction form
    13,351,514.60/20,027,271.90 = 12,455,719.40/x
  3. Step 3: Cross multiply
    13,351,514.60x = 20,027,271.90 × 12,455,719.40
  4. Step 4: Simplify right side
    13,351,514.60x = 249,454,079,133,904.84
  5. Step 5: Solve for x
    x = 249,454,079,133,904.84/13,351,514.60
  6. Step 6: Final answer
    x = 18,683,579.10

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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.