Home / 12,310,855.81-16,989,860.14-6,804,112.32

Finding the Fourth Proportional to 12,310,855.81, 16,989,860.14 and 6,804,112.32

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Solution

The fourth proportional to 12,310,855.81, 16,989,860.14 and 6,804,112.32 is: 9,390,160.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310,855.81 : 16,989,860.14 = 6,804,112.32 : x
  2. Step 2: Convert to fraction form
    12,310,855.81/16,989,860.14 = 6,804,112.32/x
  3. Step 3: Cross multiply
    12,310,855.81x = 16,989,860.14 × 6,804,112.32
  4. Step 4: Simplify right side
    12,310,855.81x = 115,600,916,676,640.64
  5. Step 5: Solve for x
    x = 115,600,916,676,640.64/12,310,855.81
  6. Step 6: Final answer
    x = 9,390,160.89

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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.