Home / 15,432,566.80-21,294,984.72-8,461,409.88

Finding the Fourth Proportional to 15,432,566.80, 21,294,984.72 and 8,461,409.88

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Solution

The fourth proportional to 15,432,566.80, 21,294,984.72 and 8,461,409.88 is: 11,675,672.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,432,566.80 : 21,294,984.72 = 8,461,409.88 : x
  2. Step 2: Convert to fraction form
    15,432,566.80/21,294,984.72 = 8,461,409.88/x
  3. Step 3: Cross multiply
    15,432,566.80x = 21,294,984.72 × 8,461,409.88
  4. Step 4: Simplify right side
    15,432,566.80x = 180,185,594,104,257.03
  5. Step 5: Solve for x
    x = 180,185,594,104,257.03/15,432,566.80
  6. Step 6: Final answer
    x = 11,675,672.39

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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.