Home / 23,185,795.49-31,995,148.66-12,871,854.28

Finding the Fourth Proportional to 23,185,795.49, 31,995,148.66 and 12,871,854.28

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Solution

The fourth proportional to 23,185,795.49, 31,995,148.66 and 12,871,854.28 is: 17,762,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,185,795.49 : 31,995,148.66 = 12,871,854.28 : x
  2. Step 2: Convert to fraction form
    23,185,795.49/31,995,148.66 = 12,871,854.28/x
  3. Step 3: Cross multiply
    23,185,795.49x = 31,995,148.66 × 12,871,854.28
  4. Step 4: Simplify right side
    23,185,795.49x = 411,836,891,262,467.25
  5. Step 5: Solve for x
    x = 411,836,891,262,467.25/23,185,795.49
  6. Step 6: Final answer
    x = 17,762,465.45

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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.