Home / 18,861,122-26,032,547.40-11,984,260.88

Finding the Fourth Proportional to 18,861,122, 26,032,547.40 and 11,984,260.88

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Solution

The fourth proportional to 18,861,122, 26,032,547.40 and 11,984,260.88 is: 16,540,948.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,861,122 : 26,032,547.40 = 11,984,260.88 : x
  2. Step 2: Convert to fraction form
    18,861,122/26,032,547.40 = 11,984,260.88/x
  3. Step 3: Cross multiply
    18,861,122x = 26,032,547.40 × 11,984,260.88
  4. Step 4: Simplify right side
    18,861,122x = 311,980,839,412,565.69
  5. Step 5: Solve for x
    x = 311,980,839,412,565.69/18,861,122
  6. Step 6: Final answer
    x = 16,540,948.06

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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.