Home / 12,109,133.87-16,710,682.71-6,602,599.43

Finding the Fourth Proportional to 12,109,133.87, 16,710,682.71 and 6,602,599.43

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Solution

The fourth proportional to 12,109,133.87, 16,710,682.71 and 6,602,599.43 is: 9,111,629.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,109,133.87 : 16,710,682.71 = 6,602,599.43 : x
  2. Step 2: Convert to fraction form
    12,109,133.87/16,710,682.71 = 6,602,599.43/x
  3. Step 3: Cross multiply
    12,109,133.87x = 16,710,682.71 × 6,602,599.43
  4. Step 4: Simplify right side
    12,109,133.87x = 110,333,944,019,390.44
  5. Step 5: Solve for x
    x = 110,333,944,019,390.44/12,109,133.87
  6. Step 6: Final answer
    x = 9,111,629.72

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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.