Home / 13,459,504.10-20,189,256.15-12,556,054.40

Finding the Fourth Proportional to 13,459,504.10, 20,189,256.15 and 12,556,054.40

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Solution

The fourth proportional to 13,459,504.10, 20,189,256.15 and 12,556,054.40 is: 18,834,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459,504.10 : 20,189,256.15 = 12,556,054.40 : x
  2. Step 2: Convert to fraction form
    13,459,504.10/20,189,256.15 = 12,556,054.40/x
  3. Step 3: Cross multiply
    13,459,504.10x = 20,189,256.15 × 12,556,054.40
  4. Step 4: Simplify right side
    13,459,504.10x = 253,497,398,514,934.56
  5. Step 5: Solve for x
    x = 253,497,398,514,934.56/13,459,504.10
  6. Step 6: Final answer
    x = 18,834,081.60

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1.5x scale

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.