Home / 17,815,209.60-26,722,814.40-13,280,246.40

Finding the Fourth Proportional to 17,815,209.60, 26,722,814.40 and 13,280,246.40

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Solution

The fourth proportional to 17,815,209.60, 26,722,814.40 and 13,280,246.40 is: 19,920,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,815,209.60 : 26,722,814.40 = 13,280,246.40 : x
  2. Step 2: Convert to fraction form
    17,815,209.60/26,722,814.40 = 13,280,246.40/x
  3. Step 3: Cross multiply
    17,815,209.60x = 26,722,814.40 × 13,280,246.40
  4. Step 4: Simplify right side
    17,815,209.60x = 354,885,559,733,468.12
  5. Step 5: Solve for x
    x = 354,885,559,733,468.12/17,815,209.60
  6. Step 6: Final answer
    x = 19,920,369.60

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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.