Home / 12,946,328.91-19,422,051.55-4,749,047.23

Finding the Fourth Proportional to 12,946,328.91, 19,422,051.55 and 4,749,047.23

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Solution

The fourth proportional to 12,946,328.91, 19,422,051.55 and 4,749,047.23 is: 7,124,509.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946,328.91 : 19,422,051.55 = 4,749,047.23 : x
  2. Step 2: Convert to fraction form
    12,946,328.91/19,422,051.55 = 4,749,047.23/x
  3. Step 3: Cross multiply
    12,946,328.91x = 19,422,051.55 × 4,749,047.23
  4. Step 4: Simplify right side
    12,946,328.91x = 92,236,240,114,444.72
  5. Step 5: Solve for x
    x = 92,236,240,114,444.72/12,946,328.91
  6. Step 6: Final answer
    x = 7,124,509.26

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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.