Home / 21,563,317.20-32,344,975.80-19,799,720.40

Finding the Fourth Proportional to 21,563,317.20, 32,344,975.80 and 19,799,720.40

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Solution

The fourth proportional to 21,563,317.20, 32,344,975.80 and 19,799,720.40 is: 29,699,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,563,317.20 : 32,344,975.80 = 19,799,720.40 : x
  2. Step 2: Convert to fraction form
    21,563,317.20/32,344,975.80 = 19,799,720.40/x
  3. Step 3: Cross multiply
    21,563,317.20x = 32,344,975.80 × 19,799,720.40
  4. Step 4: Simplify right side
    21,563,317.20x = 640,421,477,184,766.25
  5. Step 5: Solve for x
    x = 640,421,477,184,766.25/21,563,317.20
  6. Step 6: Final answer
    x = 29,699,580.60

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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.