Home / 19,679,653.05-29,528,005.23-10,571,123.40

Finding the Fourth Proportional to 19,679,653.05, 29,528,005.23 and 10,571,123.40

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Solution

The fourth proportional to 19,679,653.05, 29,528,005.23 and 10,571,123.40 is: 15,861,264.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679,653.05 : 29,528,005.23 = 10,571,123.40 : x
  2. Step 2: Convert to fraction form
    19,679,653.05/29,528,005.23 = 10,571,123.40/x
  3. Step 3: Cross multiply
    19,679,653.05x = 29,528,005.23 × 10,571,123.40
  4. Step 4: Simplify right side
    19,679,653.05x = 312,144,187,042,175.38
  5. Step 5: Solve for x
    x = 312,144,187,042,175.38/19,679,653.05
  6. Step 6: Final answer
    x = 15,861,264.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.