Home / 19,009,613.60-28,514,420.40-11,451,341.60

Finding the Fourth Proportional to 19,009,613.60, 28,514,420.40 and 11,451,341.60

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Solution

The fourth proportional to 19,009,613.60, 28,514,420.40 and 11,451,341.60 is: 17,177,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009,613.60 : 28,514,420.40 = 11,451,341.60 : x
  2. Step 2: Convert to fraction form
    19,009,613.60/28,514,420.40 = 11,451,341.60/x
  3. Step 3: Cross multiply
    19,009,613.60x = 28,514,420.40 × 11,451,341.60
  4. Step 4: Simplify right side
    19,009,613.60x = 326,528,368,526,408.62
  5. Step 5: Solve for x
    x = 326,528,368,526,408.62/19,009,613.60
  6. Step 6: Final answer
    x = 17,177,012.40

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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.