Home / 13,065,094.87-18,030,840.87-7,838,298.82

Finding the Fourth Proportional to 13,065,094.87, 18,030,840.87 and 7,838,298.82

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Solution

The fourth proportional to 13,065,094.87, 18,030,840.87 and 7,838,298.82 is: 10,817,458.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065,094.87 : 18,030,840.87 = 7,838,298.82 : x
  2. Step 2: Convert to fraction form
    13,065,094.87/18,030,840.87 = 7,838,298.82/x
  3. Step 3: Cross multiply
    13,065,094.87x = 18,030,840.87 × 7,838,298.82
  4. Step 4: Simplify right side
    13,065,094.87x = 141,331,118,766,860.97
  5. Step 5: Solve for x
    x = 141,331,118,766,860.97/13,065,094.87
  6. Step 6: Final answer
    x = 10,817,458.29

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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.