Home / 13,412,368.04-18,509,485.38-7,301,203.88

Finding the Fourth Proportional to 13,412,368.04, 18,509,485.38 and 7,301,203.88

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Solution

The fourth proportional to 13,412,368.04, 18,509,485.38 and 7,301,203.88 is: 10,075,888.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412,368.04 : 18,509,485.38 = 7,301,203.88 : x
  2. Step 2: Convert to fraction form
    13,412,368.04/18,509,485.38 = 7,301,203.88/x
  3. Step 3: Cross multiply
    13,412,368.04x = 18,509,485.38 × 7,301,203.88
  4. Step 4: Simplify right side
    13,412,368.04x = 135,141,526,473,259.27
  5. Step 5: Solve for x
    x = 135,141,526,473,259.27/13,412,368.04
  6. Step 6: Final answer
    x = 10,075,888.62

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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.