Home / 18,908,157.42-26,092,902.78-11,565,451.32

Finding the Fourth Proportional to 18,908,157.42, 26,092,902.78 and 11,565,451.32

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Solution

The fourth proportional to 18,908,157.42, 26,092,902.78 and 11,565,451.32 is: 15,960,106.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,908,157.42 : 26,092,902.78 = 11,565,451.32 : x
  2. Step 2: Convert to fraction form
    18,908,157.42/26,092,902.78 = 11,565,451.32/x
  3. Step 3: Cross multiply
    18,908,157.42x = 26,092,902.78 × 11,565,451.32
  4. Step 4: Simplify right side
    18,908,157.42x = 301,776,196,899,582.69
  5. Step 5: Solve for x
    x = 301,776,196,899,582.69/18,908,157.42
  6. Step 6: Final answer
    x = 15,960,106.01

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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.