Home / 8,136,833.40-11,234,802.06-7,129,063.80

Finding the Fourth Proportional to 8,136,833.40, 11,234,802.06 and 7,129,063.80

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Solution

The fourth proportional to 8,136,833.40, 11,234,802.06 and 7,129,063.80 is: 9,843,340.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136,833.40 : 11,234,802.06 = 7,129,063.80 : x
  2. Step 2: Convert to fraction form
    8,136,833.40/11,234,802.06 = 7,129,063.80/x
  3. Step 3: Cross multiply
    8,136,833.40x = 11,234,802.06 × 7,129,063.80
  4. Step 4: Simplify right side
    8,136,833.40x = 80,093,620,666,111.42
  5. Step 5: Solve for x
    x = 80,093,620,666,111.42/8,136,833.40
  6. Step 6: Final answer
    x = 9,843,340.37

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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.