Home / 13,216,720.06-19,825,052.81-7,456,838.98

Finding the Fourth Proportional to 13,216,720.06, 19,825,052.81 and 7,456,838.98

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Solution

The fourth proportional to 13,216,720.06, 19,825,052.81 and 7,456,838.98 is: 11,185,243.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216,720.06 : 19,825,052.81 = 7,456,838.98 : x
  2. Step 2: Convert to fraction form
    13,216,720.06/19,825,052.81 = 7,456,838.98/x
  3. Step 3: Cross multiply
    13,216,720.06x = 19,825,052.81 × 7,456,838.98
  4. Step 4: Simplify right side
    13,216,720.06x = 147,832,226,487,319.72
  5. Step 5: Solve for x
    x = 147,832,226,487,319.72/13,216,720.06
  6. Step 6: Final answer
    x = 11,185,243.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.