Home / 12,235,188.51-16,884,223.40-6,728,563.35

Finding the Fourth Proportional to 12,235,188.51, 16,884,223.40 and 6,728,563.35

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Solution

The fourth proportional to 12,235,188.51, 16,884,223.40 and 6,728,563.35 is: 9,285,232.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235,188.51 : 16,884,223.40 = 6,728,563.35 : x
  2. Step 2: Convert to fraction form
    12,235,188.51/16,884,223.40 = 6,728,563.35/x
  3. Step 3: Cross multiply
    12,235,188.51x = 16,884,223.40 × 6,728,563.35
  4. Step 4: Simplify right side
    12,235,188.51x = 113,606,566,779,273.80
  5. Step 5: Solve for x
    x = 113,606,566,779,273.80/12,235,188.51
  6. Step 6: Final answer
    x = 9,285,232.24

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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.