Home / 13,064,441.70-18,027,905.22-7,262,870.16

Finding the Fourth Proportional to 13,064,441.70, 18,027,905.22 and 7,262,870.16

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Solution

The fourth proportional to 13,064,441.70, 18,027,905.22 and 7,262,870.16 is: 10,022,191.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,064,441.70 : 18,027,905.22 = 7,262,870.16 : x
  2. Step 2: Convert to fraction form
    13,064,441.70/18,027,905.22 = 7,262,870.16/x
  3. Step 3: Cross multiply
    13,064,441.70x = 18,027,905.22 × 7,262,870.16
  4. Step 4: Simplify right side
    13,064,441.70x = 130,934,334,869,646.23
  5. Step 5: Solve for x
    x = 130,934,334,869,646.23/13,064,441.70
  6. Step 6: Final answer
    x = 10,022,191.37

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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.