Home / 12,312,188.07-16,990,817.69-6,730,455.25

Finding the Fourth Proportional to 12,312,188.07, 16,990,817.69 and 6,730,455.25

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Solution

The fourth proportional to 12,312,188.07, 16,990,817.69 and 6,730,455.25 is: 9,288,027.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,312,188.07 : 16,990,817.69 = 6,730,455.25 : x
  2. Step 2: Convert to fraction form
    12,312,188.07/16,990,817.69 = 6,730,455.25/x
  3. Step 3: Cross multiply
    12,312,188.07x = 16,990,817.69 × 6,730,455.25
  4. Step 4: Simplify right side
    12,312,188.07x = 114,355,938,194,880.27
  5. Step 5: Solve for x
    x = 114,355,938,194,880.27/12,312,188.07
  6. Step 6: Final answer
    x = 9,288,027.24

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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.