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Finding the Fourth Proportional to 13,930,901.17, 19,225,124.62 and 7,736,051.61

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Solution

The fourth proportional to 13,930,901.17, 19,225,124.62 and 7,736,051.61 is: 10,676,018.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930,901.17 : 19,225,124.62 = 7,736,051.61 : x
  2. Step 2: Convert to fraction form
    13,930,901.17/19,225,124.62 = 7,736,051.61/x
  3. Step 3: Cross multiply
    13,930,901.17x = 19,225,124.62 × 7,736,051.61
  4. Step 4: Simplify right side
    13,930,901.17x = 148,726,556,249,661.50
  5. Step 5: Solve for x
    x = 148,726,556,249,661.50/13,930,901.17
  6. Step 6: Final answer
    x = 10,676,018.33

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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.