Home / 19,423,007.40-29,134,511.10-17,785,381.80

Finding the Fourth Proportional to 19,423,007.40, 29,134,511.10 and 17,785,381.80

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Solution

The fourth proportional to 19,423,007.40, 29,134,511.10 and 17,785,381.80 is: 26,678,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423,007.40 : 29,134,511.10 = 17,785,381.80 : x
  2. Step 2: Convert to fraction form
    19,423,007.40/29,134,511.10 = 17,785,381.80/x
  3. Step 3: Cross multiply
    19,423,007.40x = 29,134,511.10 × 17,785,381.80
  4. Step 4: Simplify right side
    19,423,007.40x = 518,168,403,469,838
  5. Step 5: Solve for x
    x = 518,168,403,469,838/19,423,007.40
  6. Step 6: Final answer
    x = 26,678,072.70

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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.