Home / 13,072,445.60-19,592,079.60-11,645,808.80

Finding the Fourth Proportional to 13,072,445.60, 19,592,079.60 and 11,645,808.80

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Solution

The fourth proportional to 13,072,445.60, 19,592,079.60 and 11,645,808.80 is: 17,453,934.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072,445.60 : 19,592,079.60 = 11,645,808.80 : x
  2. Step 2: Convert to fraction form
    13,072,445.60/19,592,079.60 = 11,645,808.80/x
  3. Step 3: Cross multiply
    13,072,445.60x = 19,592,079.60 × 11,645,808.80
  4. Step 4: Simplify right side
    13,072,445.60x = 228,165,613,015,980.50
  5. Step 5: Solve for x
    x = 228,165,613,015,980.50/13,072,445.60
  6. Step 6: Final answer
    x = 17,453,934.79

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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.