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Finding the Fourth Proportional to 14,568,000.40, 20,357,409.20 and 14,568,000.40

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Solution

The fourth proportional to 14,568,000.40, 20,357,409.20 and 14,568,000.40 is: 20,357,409.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,568,000.40 : 20,357,409.20 = 14,568,000.40 : x
  2. Step 2: Convert to fraction form
    14,568,000.40/20,357,409.20 = 14,568,000.40/x
  3. Step 3: Cross multiply
    14,568,000.40x = 20,357,409.20 × 14,568,000.40
  4. Step 4: Simplify right side
    14,568,000.40x = 296,566,745,368,563.69
  5. Step 5: Solve for x
    x = 296,566,745,368,563.69/14,568,000.40
  6. Step 6: Final answer
    x = 20,357,409.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.