Home / 20,219,689.40-30,329,534.10-20,093,718.20

Finding the Fourth Proportional to 20,219,689.40, 30,329,534.10 and 20,093,718.20

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Solution

The fourth proportional to 20,219,689.40, 30,329,534.10 and 20,093,718.20 is: 30,140,577.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,689.40 : 30,329,534.10 = 20,093,718.20 : x
  2. Step 2: Convert to fraction form
    20,219,689.40/30,329,534.10 = 20,093,718.20/x
  3. Step 3: Cross multiply
    20,219,689.40x = 30,329,534.10 × 20,093,718.20
  4. Step 4: Simplify right side
    20,219,689.40x = 609,433,111,342,690.62
  5. Step 5: Solve for x
    x = 609,433,111,342,690.62/20,219,689.40
  6. Step 6: Final answer
    x = 30,140,577.30

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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.