Home / 28,995,330.11-40,012,479.43-15,941,812.37

Finding the Fourth Proportional to 28,995,330.11, 40,012,479.43 and 15,941,812.37

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Solution

The fourth proportional to 28,995,330.11, 40,012,479.43 and 15,941,812.37 is: 21,999,109.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,995,330.11 : 40,012,479.43 = 15,941,812.37 : x
  2. Step 2: Convert to fraction form
    28,995,330.11/40,012,479.43 = 15,941,812.37/x
  3. Step 3: Cross multiply
    28,995,330.11x = 40,012,479.43 × 15,941,812.37
  4. Step 4: Simplify right side
    28,995,330.11x = 637,871,439,291,627.62
  5. Step 5: Solve for x
    x = 637,871,439,291,627.62/28,995,330.11
  6. Step 6: Final answer
    x = 21,999,109.41

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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.