Home / 6,854,739.17-10,220,825.53-6,666,409.76

Finding the Fourth Proportional to 6,854,739.17, 10,220,825.53 and 6,666,409.76

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Solution

The fourth proportional to 6,854,739.17, 10,220,825.53 and 6,666,409.76 is: 9,940,015.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,854,739.17 : 10,220,825.53 = 6,666,409.76 : x
  2. Step 2: Convert to fraction form
    6,854,739.17/10,220,825.53 = 6,666,409.76/x
  3. Step 3: Cross multiply
    6,854,739.17x = 10,220,825.53 × 6,666,409.76
  4. Step 4: Simplify right side
    6,854,739.17x = 68,136,211,068,449.16
  5. Step 5: Solve for x
    x = 68,136,211,068,449.16/6,854,739.17
  6. Step 6: Final answer
    x = 9,940,015.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.