Home / 20,366,415.60-30,549,623.40-19,421,631.60

Finding the Fourth Proportional to 20,366,415.60, 30,549,623.40 and 19,421,631.60

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Solution

The fourth proportional to 20,366,415.60, 30,549,623.40 and 19,421,631.60 is: 29,132,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,366,415.60 : 30,549,623.40 = 19,421,631.60 : x
  2. Step 2: Convert to fraction form
    20,366,415.60/30,549,623.40 = 19,421,631.60/x
  3. Step 3: Cross multiply
    20,366,415.60x = 30,549,623.40 × 19,421,631.60
  4. Step 4: Simplify right side
    20,366,415.60x = 593,323,531,193,539.50
  5. Step 5: Solve for x
    x = 593,323,531,193,539.50/20,366,415.60
  6. Step 6: Final answer
    x = 29,132,447.40

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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.