Home / 9,000,891.36-12,421,261.44-4,870,921.48

Finding the Fourth Proportional to 9,000,891.36, 12,421,261.44 and 4,870,921.48

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Solution

The fourth proportional to 9,000,891.36, 12,421,261.44 and 4,870,921.48 is: 6,721,888.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,891.36 : 12,421,261.44 = 4,870,921.48 : x
  2. Step 2: Convert to fraction form
    9,000,891.36/12,421,261.44 = 4,870,921.48/x
  3. Step 3: Cross multiply
    9,000,891.36x = 12,421,261.44 × 4,870,921.48
  4. Step 4: Simplify right side
    9,000,891.36x = 60,502,989,125,738.58
  5. Step 5: Solve for x
    x = 60,502,989,125,738.58/9,000,891.36
  6. Step 6: Final answer
    x = 6,721,888.61

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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.