Home / 13,064,339.04-18,028,857.80-7,184,352.32

Finding the Fourth Proportional to 13,064,339.04, 18,028,857.80 and 7,184,352.32

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Solution

The fourth proportional to 13,064,339.04, 18,028,857.80 and 7,184,352.32 is: 9,914,444.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,064,339.04 : 18,028,857.80 = 7,184,352.32 : x
  2. Step 2: Convert to fraction form
    13,064,339.04/18,028,857.80 = 7,184,352.32/x
  3. Step 3: Cross multiply
    13,064,339.04x = 18,028,857.80 × 7,184,352.32
  4. Step 4: Simplify right side
    13,064,339.04x = 129,525,666,362,380.11
  5. Step 5: Solve for x
    x = 129,525,666,362,380.11/13,064,339.04
  6. Step 6: Final answer
    x = 9,914,444.65

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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.