Home / 22,531,085.40-31,096,878.75-13,238,653.62

Finding the Fourth Proportional to 22,531,085.40, 31,096,878.75 and 13,238,653.62

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Solution

The fourth proportional to 22,531,085.40, 31,096,878.75 and 13,238,653.62 is: 18,271,681.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,531,085.40 : 31,096,878.75 = 13,238,653.62 : x
  2. Step 2: Convert to fraction form
    22,531,085.40/31,096,878.75 = 13,238,653.62/x
  3. Step 3: Cross multiply
    22,531,085.40x = 31,096,878.75 × 13,238,653.62
  4. Step 4: Simplify right side
    22,531,085.40x = 411,680,806,434,388.56
  5. Step 5: Solve for x
    x = 411,680,806,434,388.56/22,531,085.40
  6. Step 6: Final answer
    x = 18,271,681.06

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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.