Home / 13,018,441.92-17,966,510.64-7,219,042.08

Finding the Fourth Proportional to 13,018,441.92, 17,966,510.64 and 7,219,042.08

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Solution

The fourth proportional to 13,018,441.92, 17,966,510.64 and 7,219,042.08 is: 9,962,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018,441.92 : 17,966,510.64 = 7,219,042.08 : x
  2. Step 2: Convert to fraction form
    13,018,441.92/17,966,510.64 = 7,219,042.08/x
  3. Step 3: Cross multiply
    13,018,441.92x = 17,966,510.64 × 7,219,042.08
  4. Step 4: Simplify right side
    13,018,441.92x = 129,700,996,340,927.73
  5. Step 5: Solve for x
    x = 129,700,996,340,927.73/13,018,441.92
  6. Step 6: Final answer
    x = 9,962,866.30

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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.