Home / 14,101,815.45-19,453,342.80-9,209,901.06

Finding the Fourth Proportional to 14,101,815.45, 19,453,342.80 and 9,209,901.06

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Solution

The fourth proportional to 14,101,815.45, 19,453,342.80 and 9,209,901.06 is: 12,704,985.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101,815.45 : 19,453,342.80 = 9,209,901.06 : x
  2. Step 2: Convert to fraction form
    14,101,815.45/19,453,342.80 = 9,209,901.06/x
  3. Step 3: Cross multiply
    14,101,815.45x = 19,453,342.80 × 9,209,901.06
  4. Step 4: Simplify right side
    14,101,815.45x = 179,163,362,474,263.38
  5. Step 5: Solve for x
    x = 179,163,362,474,263.38/14,101,815.45
  6. Step 6: Final answer
    x = 12,704,985.62

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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.