Home / 12,540,930.91-18,810,483.01-5,626,551.33

Finding the Fourth Proportional to 12,540,930.91, 18,810,483.01 and 5,626,551.33

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Solution

The fourth proportional to 12,540,930.91, 18,810,483.01 and 5,626,551.33 is: 8,439,417.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,540,930.91 : 18,810,483.01 = 5,626,551.33 : x
  2. Step 2: Convert to fraction form
    12,540,930.91/18,810,483.01 = 5,626,551.33/x
  3. Step 3: Cross multiply
    12,540,930.91x = 18,810,483.01 × 5,626,551.33
  4. Step 4: Simplify right side
    12,540,930.91x = 105,838,148,275,430.41
  5. Step 5: Solve for x
    x = 105,838,148,275,430.41/12,540,930.91
  6. Step 6: Final answer
    x = 8,439,417.22

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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.