Home / 13,159,006.80-19,738,510.20-4,640,204.40

Finding the Fourth Proportional to 13,159,006.80, 19,738,510.20 and 4,640,204.40

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Solution

The fourth proportional to 13,159,006.80, 19,738,510.20 and 4,640,204.40 is: 6,960,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159,006.80 : 19,738,510.20 = 4,640,204.40 : x
  2. Step 2: Convert to fraction form
    13,159,006.80/19,738,510.20 = 4,640,204.40/x
  3. Step 3: Cross multiply
    13,159,006.80x = 19,738,510.20 × 4,640,204.40
  4. Step 4: Simplify right side
    13,159,006.80x = 91,590,721,879,484.89
  5. Step 5: Solve for x
    x = 91,590,721,879,484.89/13,159,006.80
  6. Step 6: Final answer
    x = 6,960,306.60

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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.