Home / 6,448,009.96-8,898,240.44-3,547,393.88

Finding the Fourth Proportional to 6,448,009.96, 8,898,240.44 and 3,547,393.88

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Solution

The fourth proportional to 6,448,009.96, 8,898,240.44 and 3,547,393.88 is: 4,895,396.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448,009.96 : 8,898,240.44 = 3,547,393.88 : x
  2. Step 2: Convert to fraction form
    6,448,009.96/8,898,240.44 = 3,547,393.88/x
  3. Step 3: Cross multiply
    6,448,009.96x = 8,898,240.44 × 3,547,393.88
  4. Step 4: Simplify right side
    6,448,009.96x = 31,565,563,679,624.50
  5. Step 5: Solve for x
    x = 31,565,563,679,624.50/6,448,009.96
  6. Step 6: Final answer
    x = 4,895,396.23

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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.