Home / 14,294,138.40-21,441,207.60-13,349,354.40

Finding the Fourth Proportional to 14,294,138.40, 21,441,207.60 and 13,349,354.40

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Solution

The fourth proportional to 14,294,138.40, 21,441,207.60 and 13,349,354.40 is: 20,024,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,294,138.40 : 21,441,207.60 = 13,349,354.40 : x
  2. Step 2: Convert to fraction form
    14,294,138.40/21,441,207.60 = 13,349,354.40/x
  3. Step 3: Cross multiply
    14,294,138.40x = 21,441,207.60 × 13,349,354.40
  4. Step 4: Simplify right side
    14,294,138.40x = 286,226,279,016,373.44
  5. Step 5: Solve for x
    x = 286,226,279,016,373.44/14,294,138.40
  6. Step 6: Final answer
    x = 20,024,031.60

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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.