Home / 18,693,029.55-25,810,051.50-12,081,532.14

Finding the Fourth Proportional to 18,693,029.55, 25,810,051.50 and 12,081,532.14

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Solution

The fourth proportional to 18,693,029.55, 25,810,051.50 and 12,081,532.14 is: 16,681,349.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693,029.55 : 25,810,051.50 = 12,081,532.14 : x
  2. Step 2: Convert to fraction form
    18,693,029.55/25,810,051.50 = 12,081,532.14/x
  3. Step 3: Cross multiply
    18,693,029.55x = 25,810,051.50 × 12,081,532.14
  4. Step 4: Simplify right side
    18,693,029.55x = 311,824,966,732,305.25
  5. Step 5: Solve for x
    x = 311,824,966,732,305.25/18,693,029.55
  6. Step 6: Final answer
    x = 16,681,349.91

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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.