Home / 12,778,622.32-17,634,429.03-6,977,362.53

Finding the Fourth Proportional to 12,778,622.32, 17,634,429.03 and 6,977,362.53

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Solution

The fourth proportional to 12,778,622.32, 17,634,429.03 and 6,977,362.53 is: 9,628,722.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,778,622.32 : 17,634,429.03 = 6,977,362.53 : x
  2. Step 2: Convert to fraction form
    12,778,622.32/17,634,429.03 = 6,977,362.53/x
  3. Step 3: Cross multiply
    12,778,622.32x = 17,634,429.03 × 6,977,362.53
  4. Step 4: Simplify right side
    12,778,622.32x = 123,041,804,286,098.80
  5. Step 5: Solve for x
    x = 123,041,804,286,098.80/12,778,622.32
  6. Step 6: Final answer
    x = 9,628,722.19

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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.