Home / 13,484,840.45-18,604,526.28-7,679,511.82

Finding the Fourth Proportional to 13,484,840.45, 18,604,526.28 and 7,679,511.82

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Solution

The fourth proportional to 13,484,840.45, 18,604,526.28 and 7,679,511.82 is: 10,595,133.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484,840.45 : 18,604,526.28 = 7,679,511.82 : x
  2. Step 2: Convert to fraction form
    13,484,840.45/18,604,526.28 = 7,679,511.82/x
  3. Step 3: Cross multiply
    13,484,840.45x = 18,604,526.28 × 7,679,511.82
  4. Step 4: Simplify right side
    13,484,840.45x = 142,873,679,467,218.12
  5. Step 5: Solve for x
    x = 142,873,679,467,218.12/13,484,840.45
  6. Step 6: Final answer
    x = 10,595,133.11

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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.