Home / 14,468,881.46-19,966,977.60-7,942,621.98

Finding the Fourth Proportional to 14,468,881.46, 19,966,977.60 and 7,942,621.98

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Solution

The fourth proportional to 14,468,881.46, 19,966,977.60 and 7,942,621.98 is: 10,960,775.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,468,881.46 : 19,966,977.60 = 7,942,621.98 : x
  2. Step 2: Convert to fraction form
    14,468,881.46/19,966,977.60 = 7,942,621.98/x
  3. Step 3: Cross multiply
    14,468,881.46x = 19,966,977.60 × 7,942,621.98
  4. Step 4: Simplify right side
    14,468,881.46x = 158,590,155,159,927.66
  5. Step 5: Solve for x
    x = 158,590,155,159,927.66/14,468,881.46
  6. Step 6: Final answer
    x = 10,960,775.07

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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.