Home / 12,886,365.58-17,783,521.20-7,006,395.22

Finding the Fourth Proportional to 12,886,365.58, 17,783,521.20 and 7,006,395.22

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Solution

The fourth proportional to 12,886,365.58, 17,783,521.20 and 7,006,395.22 is: 9,669,008.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886,365.58 : 17,783,521.20 = 7,006,395.22 : x
  2. Step 2: Convert to fraction form
    12,886,365.58/17,783,521.20 = 7,006,395.22/x
  3. Step 3: Cross multiply
    12,886,365.58x = 17,783,521.20 × 7,006,395.22
  4. Step 4: Simplify right side
    12,886,365.58x = 124,598,377,930,448.66
  5. Step 5: Solve for x
    x = 124,598,377,930,448.66/12,886,365.58
  6. Step 6: Final answer
    x = 9,669,008.47

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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.