Home / 9,000,509-12,420,735.16-4,870,539.73

Finding the Fourth Proportional to 9,000,509, 12,420,735.16 and 4,870,539.73

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Solution

The fourth proportional to 9,000,509, 12,420,735.16 and 4,870,539.73 is: 6,721,362.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,509 : 12,420,735.16 = 4,870,539.73 : x
  2. Step 2: Convert to fraction form
    9,000,509/12,420,735.16 = 4,870,539.73/x
  3. Step 3: Cross multiply
    9,000,509x = 12,420,735.16 × 4,870,539.73
  4. Step 4: Simplify right side
    9,000,509x = 60,495,684,010,484.23
  5. Step 5: Solve for x
    x = 60,495,684,010,484.23/9,000,509
  6. Step 6: Final answer
    x = 6,721,362.54

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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.