Home / 18,678,995.23-25,777,654.40-10,837,915.38

Finding the Fourth Proportional to 18,678,995.23, 25,777,654.40 and 10,837,915.38

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Solution

The fourth proportional to 18,678,995.23, 25,777,654.40 and 10,837,915.38 is: 14,956,695.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,678,995.23 : 25,777,654.40 = 10,837,915.38 : x
  2. Step 2: Convert to fraction form
    18,678,995.23/25,777,654.40 = 10,837,915.38/x
  3. Step 3: Cross multiply
    18,678,995.23x = 25,777,654.40 × 10,837,915.38
  4. Step 4: Simplify right side
    18,678,995.23x = 279,376,037,082,084.69
  5. Step 5: Solve for x
    x = 279,376,037,082,084.69/18,678,995.23
  6. Step 6: Final answer
    x = 14,956,695.13

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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.