Home / 8,455,693.68-12,683,088.54-2,990,409.84

Finding the Fourth Proportional to 8,455,693.68, 12,683,088.54 and 2,990,409.84

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Solution

The fourth proportional to 8,455,693.68, 12,683,088.54 and 2,990,409.84 is: 4,485,454.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455,693.68 : 12,683,088.54 = 2,990,409.84 : x
  2. Step 2: Convert to fraction form
    8,455,693.68/12,683,088.54 = 2,990,409.84/x
  3. Step 3: Cross multiply
    8,455,693.68x = 12,683,088.54 × 2,990,409.84
  4. Step 4: Simplify right side
    8,455,693.68x = 37,927,632,771,607.23
  5. Step 5: Solve for x
    x = 37,927,632,771,607.23/8,455,693.68
  6. Step 6: Final answer
    x = 4,485,454.91

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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.