Home / 16,916,811.48-23,345,140.80-9,181,853.40

Finding the Fourth Proportional to 16,916,811.48, 23,345,140.80 and 9,181,853.40

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Solution

The fourth proportional to 16,916,811.48, 23,345,140.80 and 9,181,853.40 is: 12,670,925.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,916,811.48 : 23,345,140.80 = 9,181,853.40 : x
  2. Step 2: Convert to fraction form
    16,916,811.48/23,345,140.80 = 9,181,853.40/x
  3. Step 3: Cross multiply
    16,916,811.48x = 23,345,140.80 × 9,181,853.40
  4. Step 4: Simplify right side
    16,916,811.48x = 214,351,660,427,958.75
  5. Step 5: Solve for x
    x = 214,351,660,427,958.75/16,916,811.48
  6. Step 6: Final answer
    x = 12,670,925.65

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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.