Home / 31,009,959.78-46,543,683.30-15,668,032.22

Finding the Fourth Proportional to 31,009,959.78, 46,543,683.30 and 15,668,032.22

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Solution

The fourth proportional to 31,009,959.78, 46,543,683.30 and 15,668,032.22 is: 23,516,571.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,009,959.78 : 46,543,683.30 = 15,668,032.22 : x
  2. Step 2: Convert to fraction form
    31,009,959.78/46,543,683.30 = 15,668,032.22/x
  3. Step 3: Cross multiply
    31,009,959.78x = 46,543,683.30 × 15,668,032.22
  4. Step 4: Simplify right side
    31,009,959.78x = 729,247,929,581,875.88
  5. Step 5: Solve for x
    x = 729,247,929,581,875.88/31,009,959.78
  6. Step 6: Final answer
    x = 23,516,571.28

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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.