Home / 21,034,054.32-31,560,088.68-6,658,292.40

Finding the Fourth Proportional to 21,034,054.32, 31,560,088.68 and 6,658,292.40

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Solution

The fourth proportional to 21,034,054.32, 31,560,088.68 and 6,658,292.40 is: 9,990,289.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,034,054.32 : 31,560,088.68 = 6,658,292.40 : x
  2. Step 2: Convert to fraction form
    21,034,054.32/31,560,088.68 = 6,658,292.40/x
  3. Step 3: Cross multiply
    21,034,054.32x = 31,560,088.68 × 6,658,292.40
  4. Step 4: Simplify right side
    21,034,054.32x = 210,136,298,601,370.03
  5. Step 5: Solve for x
    x = 210,136,298,601,370.03/21,034,054.32
  6. Step 6: Final answer
    x = 9,990,289.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.