Home / 21,805,378.54-30,091,624.20-12,016,173.05

Finding the Fourth Proportional to 21,805,378.54, 30,091,624.20 and 12,016,173.05

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Solution

The fourth proportional to 21,805,378.54, 30,091,624.20 and 12,016,173.05 is: 16,582,430.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,805,378.54 : 30,091,624.20 = 12,016,173.05 : x
  2. Step 2: Convert to fraction form
    21,805,378.54/30,091,624.20 = 12,016,173.05/x
  3. Step 3: Cross multiply
    21,805,378.54x = 30,091,624.20 × 12,016,173.05
  4. Step 4: Simplify right side
    21,805,378.54x = 361,586,163,742,767.81
  5. Step 5: Solve for x
    x = 361,586,163,742,767.81/21,805,378.54
  6. Step 6: Final answer
    x = 16,582,430.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.