Home / 30,556,429.57-45,834,656.75-7,527,812.05

Finding the Fourth Proportional to 30,556,429.57, 45,834,656.75 and 7,527,812.05

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Solution

The fourth proportional to 30,556,429.57, 45,834,656.75 and 7,527,812.05 is: 11,291,721.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,556,429.57 : 45,834,656.75 = 7,527,812.05 : x
  2. Step 2: Convert to fraction form
    30,556,429.57/45,834,656.75 = 7,527,812.05/x
  3. Step 3: Cross multiply
    30,556,429.57x = 45,834,656.75 × 7,527,812.05
  4. Step 4: Simplify right side
    30,556,429.57x = 345,034,681,161,090.56
  5. Step 5: Solve for x
    x = 345,034,681,161,090.56/30,556,429.57
  6. Step 6: Final answer
    x = 11,291,721.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.