Home / 15,220,815.03-21,005,583.93-9,029,527.38

Finding the Fourth Proportional to 15,220,815.03, 21,005,583.93 and 9,029,527.38

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Solution

The fourth proportional to 15,220,815.03, 21,005,583.93 and 9,029,527.38 is: 12,461,257.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,220,815.03 : 21,005,583.93 = 9,029,527.38 : x
  2. Step 2: Convert to fraction form
    15,220,815.03/21,005,583.93 = 9,029,527.38/x
  3. Step 3: Cross multiply
    15,220,815.03x = 21,005,583.93 × 9,029,527.38
  4. Step 4: Simplify right side
    15,220,815.03x = 189,670,495,228,823.03
  5. Step 5: Solve for x
    x = 189,670,495,228,823.03/15,220,815.03
  6. Step 6: Final answer
    x = 12,461,257.49

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1.5x scale

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.