Home / 20,365,563.78-30,528,166.95-9,563,528.12

Finding the Fourth Proportional to 20,365,563.78, 30,528,166.95 and 9,563,528.12

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Solution

The fourth proportional to 20,365,563.78, 30,528,166.95 and 9,563,528.12 is: 14,335,816.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,365,563.78 : 30,528,166.95 = 9,563,528.12 : x
  2. Step 2: Convert to fraction form
    20,365,563.78/30,528,166.95 = 9,563,528.12/x
  3. Step 3: Cross multiply
    20,365,563.78x = 30,528,166.95 × 9,563,528.12
  4. Step 4: Simplify right side
    20,365,563.78x = 291,956,982,925,738.81
  5. Step 5: Solve for x
    x = 291,956,982,925,738.81/20,365,563.78
  6. Step 6: Final answer
    x = 14,335,816.38

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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.