Home / 46,518,569.28-69,777,849.30-12,439,029.40

Finding the Fourth Proportional to 46,518,569.28, 69,777,849.30 and 12,439,029.40

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Solution

The fourth proportional to 46,518,569.28, 69,777,849.30 and 12,439,029.40 is: 18,658,542.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,518,569.28 : 69,777,849.30 = 12,439,029.40 : x
  2. Step 2: Convert to fraction form
    46,518,569.28/69,777,849.30 = 12,439,029.40/x
  3. Step 3: Cross multiply
    46,518,569.28x = 69,777,849.30 × 12,439,029.40
  4. Step 4: Simplify right side
    46,518,569.28x = 867,968,718,911,469.38
  5. Step 5: Solve for x
    x = 867,968,718,911,469.38/46,518,569.28
  6. Step 6: Final answer
    x = 18,658,542.86

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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.