Home / 9,000,508.50-12,420,734.47-4,870,539.23

Finding the Fourth Proportional to 9,000,508.50, 12,420,734.47 and 4,870,539.23

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Solution

The fourth proportional to 9,000,508.50, 12,420,734.47 and 4,870,539.23 is: 6,721,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,508.50 : 12,420,734.47 = 4,870,539.23 : x
  2. Step 2: Convert to fraction form
    9,000,508.50/12,420,734.47 = 4,870,539.23/x
  3. Step 3: Cross multiply
    9,000,508.50x = 12,420,734.47 × 4,870,539.23
  4. Step 4: Simplify right side
    9,000,508.50x = 60,495,674,427,268.23
  5. Step 5: Solve for x
    x = 60,495,674,427,268.23/9,000,508.50
  6. Step 6: Final answer
    x = 6,721,361.85

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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.