Home / 18,429,312.15-27,683,826.30-13,048,472.03

Finding the Fourth Proportional to 18,429,312.15, 27,683,826.30 and 13,048,472.03

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Solution

The fourth proportional to 18,429,312.15, 27,683,826.30 and 13,048,472.03 is: 19,600,928.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429,312.15 : 27,683,826.30 = 13,048,472.03 : x
  2. Step 2: Convert to fraction form
    18,429,312.15/27,683,826.30 = 13,048,472.03/x
  3. Step 3: Cross multiply
    18,429,312.15x = 27,683,826.30 × 13,048,472.03
  4. Step 4: Simplify right side
    18,429,312.15x = 361,231,633,020,509.25
  5. Step 5: Solve for x
    x = 361,231,633,020,509.25/18,429,312.15
  6. Step 6: Final answer
    x = 19,600,928.68

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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.