Home / 20,938,176-31,407,271.28-6,562,359.20

Finding the Fourth Proportional to 20,938,176, 31,407,271.28 and 6,562,359.20

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Solution

The fourth proportional to 20,938,176, 31,407,271.28 and 6,562,359.20 is: 9,843,541.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,938,176 : 31,407,271.28 = 6,562,359.20 : x
  2. Step 2: Convert to fraction form
    20,938,176/31,407,271.28 = 6,562,359.20/x
  3. Step 3: Cross multiply
    20,938,176x = 31,407,271.28 × 6,562,359.20
  4. Step 4: Simplify right side
    20,938,176x = 206,105,795,631,203.78
  5. Step 5: Solve for x
    x = 206,105,795,631,203.78/20,938,176
  6. Step 6: Final answer
    x = 9,843,541.08

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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.