Home / 13,411,507.26-18,507,365.67-7,609,943.01

Finding the Fourth Proportional to 13,411,507.26, 18,507,365.67 and 7,609,943.01

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Solution

The fourth proportional to 13,411,507.26, 18,507,365.67 and 7,609,943.01 is: 10,501,429.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411,507.26 : 18,507,365.67 = 7,609,943.01 : x
  2. Step 2: Convert to fraction form
    13,411,507.26/18,507,365.67 = 7,609,943.01/x
  3. Step 3: Cross multiply
    13,411,507.26x = 18,507,365.67 × 7,609,943.01
  4. Step 4: Simplify right side
    13,411,507.26x = 140,839,998,013,930.47
  5. Step 5: Solve for x
    x = 140,839,998,013,930.47/13,411,507.26
  6. Step 6: Final answer
    x = 10,501,429.50

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1.5x scale

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.