Home / 30,590,957.40-45,886,232-12,394,884.12

Finding the Fourth Proportional to 30,590,957.40, 45,886,232 and 12,394,884.12

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Solution

The fourth proportional to 30,590,957.40, 45,886,232 and 12,394,884.12 is: 18,592,243.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,590,957.40 : 45,886,232 = 12,394,884.12 : x
  2. Step 2: Convert to fraction form
    30,590,957.40/45,886,232 = 12,394,884.12/x
  3. Step 3: Cross multiply
    30,590,957.40x = 45,886,232 × 12,394,884.12
  4. Step 4: Simplify right side
    30,590,957.40x = 568,754,528,343,435.75
  5. Step 5: Solve for x
    x = 568,754,528,343,435.75/30,590,957.40
  6. Step 6: Final answer
    x = 18,592,243.48

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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.