Home / 20,574,016.40-30,861,024.60-18,684,448.40

Finding the Fourth Proportional to 20,574,016.40, 30,861,024.60 and 18,684,448.40

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Solution

The fourth proportional to 20,574,016.40, 30,861,024.60 and 18,684,448.40 is: 28,026,672.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,574,016.40 : 30,861,024.60 = 18,684,448.40 : x
  2. Step 2: Convert to fraction form
    20,574,016.40/30,861,024.60 = 18,684,448.40/x
  3. Step 3: Cross multiply
    20,574,016.40x = 30,861,024.60 × 18,684,448.40
  4. Step 4: Simplify right side
    20,574,016.40x = 576,621,221,709,830.62
  5. Step 5: Solve for x
    x = 576,621,221,709,830.62/20,574,016.40
  6. Step 6: Final answer
    x = 28,026,672.60

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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.