Home / 12,812,569.99-17,681,344.93-7,011,350.20

Finding the Fourth Proportional to 12,812,569.99, 17,681,344.93 and 7,011,350.20

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Solution

The fourth proportional to 12,812,569.99, 17,681,344.93 and 7,011,350.20 is: 9,675,662.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,812,569.99 : 17,681,344.93 = 7,011,350.20 : x
  2. Step 2: Convert to fraction form
    12,812,569.99/17,681,344.93 = 7,011,350.20/x
  3. Step 3: Cross multiply
    12,812,569.99x = 17,681,344.93 × 7,011,350.20
  4. Step 4: Simplify right side
    12,812,569.99x = 123,970,101,311,224.48
  5. Step 5: Solve for x
    x = 123,970,101,311,224.48/12,812,569.99
  6. Step 6: Final answer
    x = 9,675,662.37

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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.