Home / 9,000,319.32-12,420,346.14-4,870,260.32

Finding the Fourth Proportional to 9,000,319.32, 12,420,346.14 and 4,870,260.32

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Solution

The fourth proportional to 9,000,319.32, 12,420,346.14 and 4,870,260.32 is: 6,720,908.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,319.32 : 12,420,346.14 = 4,870,260.32 : x
  2. Step 2: Convert to fraction form
    9,000,319.32/12,420,346.14 = 4,870,260.32/x
  3. Step 3: Cross multiply
    9,000,319.32x = 12,420,346.14 × 4,870,260.32
  4. Step 4: Simplify right side
    9,000,319.32x = 60,490,318,904,205.45
  5. Step 5: Solve for x
    x = 60,490,318,904,205.45/9,000,319.32
  6. Step 6: Final answer
    x = 6,720,908.09

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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.