Home / 13,411,505.76-18,507,363.62-7,609,941.51

Finding the Fourth Proportional to 13,411,505.76, 18,507,363.62 and 7,609,941.51

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Solution

The fourth proportional to 13,411,505.76, 18,507,363.62 and 7,609,941.51 is: 10,501,427.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411,505.76 : 18,507,363.62 = 7,609,941.51 : x
  2. Step 2: Convert to fraction form
    13,411,505.76/18,507,363.62 = 7,609,941.51/x
  3. Step 3: Cross multiply
    13,411,505.76x = 18,507,363.62 × 7,609,941.51
  4. Step 4: Simplify right side
    13,411,505.76x = 140,839,954,614,452.16
  5. Step 5: Solve for x
    x = 140,839,954,614,452.16/13,411,505.76
  6. Step 6: Final answer
    x = 10,501,427.44

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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.