Home / 14,468,881.96-19,966,978.26-7,942,622.50

Finding the Fourth Proportional to 14,468,881.96, 19,966,978.26 and 7,942,622.50

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Solution

The fourth proportional to 14,468,881.96, 19,966,978.26 and 7,942,622.50 is: 10,960,775.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,468,881.96 : 19,966,978.26 = 7,942,622.50 : x
  2. Step 2: Convert to fraction form
    14,468,881.96/19,966,978.26 = 7,942,622.50/x
  3. Step 3: Cross multiply
    14,468,881.96x = 19,966,978.26 × 7,942,622.50
  4. Step 4: Simplify right side
    14,468,881.96x = 158,590,170,784,886.88
  5. Step 5: Solve for x
    x = 158,590,170,784,886.88/14,468,881.96
  6. Step 6: Final answer
    x = 10,960,775.77

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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.