Home / 9,000,778.65-12,421,074.16-4,870,809.92

Finding the Fourth Proportional to 9,000,778.65, 12,421,074.16 and 4,870,809.92

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Solution

The fourth proportional to 9,000,778.65, 12,421,074.16 and 4,870,809.92 is: 6,721,717.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,778.65 : 12,421,074.16 = 4,870,809.92 : x
  2. Step 2: Convert to fraction form
    9,000,778.65/12,421,074.16 = 4,870,809.92/x
  3. Step 3: Cross multiply
    9,000,778.65x = 12,421,074.16 × 4,870,809.92
  4. Step 4: Simplify right side
    9,000,778.65x = 60,500,691,210,392.30
  5. Step 5: Solve for x
    x = 60,500,691,210,392.30/9,000,778.65
  6. Step 6: Final answer
    x = 6,721,717.48

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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.