Home / 9,000,630.12-12,420,774.93-4,870,570.86

Finding the Fourth Proportional to 9,000,630.12, 12,420,774.93 and 4,870,570.86

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Solution

The fourth proportional to 9,000,630.12, 12,420,774.93 and 4,870,570.86 is: 6,721,336.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,630.12 : 12,420,774.93 = 4,870,570.86 : x
  2. Step 2: Convert to fraction form
    9,000,630.12/12,420,774.93 = 4,870,570.86/x
  3. Step 3: Cross multiply
    9,000,630.12x = 12,420,774.93 × 4,870,570.86
  4. Step 4: Simplify right side
    9,000,630.12x = 60,496,264,432,676.54
  5. Step 5: Solve for x
    x = 60,496,264,432,676.54/9,000,630.12
  6. Step 6: Final answer
    x = 6,721,336.58

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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.