Home / 13,248,426.62-19,872,638.31-4,272,978.62

Finding the Fourth Proportional to 13,248,426.62, 19,872,638.31 and 4,272,978.62

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Solution

The fourth proportional to 13,248,426.62, 19,872,638.31 and 4,272,978.62 is: 6,409,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248,426.62 : 19,872,638.31 = 4,272,978.62 : x
  2. Step 2: Convert to fraction form
    13,248,426.62/19,872,638.31 = 4,272,978.62/x
  3. Step 3: Cross multiply
    13,248,426.62x = 19,872,638.31 × 4,272,978.62
  4. Step 4: Simplify right side
    13,248,426.62x = 84,915,358,621,622.92
  5. Step 5: Solve for x
    x = 84,915,358,621,622.92/13,248,426.62
  6. Step 6: Final answer
    x = 6,409,467.41

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1.5x scale

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.