Home / 11,957,312.60-17,938,816.10-3,870,289.72

Finding the Fourth Proportional to 11,957,312.60, 17,938,816.10 and 3,870,289.72

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Solution

The fourth proportional to 11,957,312.60, 17,938,816.10 and 3,870,289.72 is: 5,806,356.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,957,312.60 : 17,938,816.10 = 3,870,289.72 : x
  2. Step 2: Convert to fraction form
    11,957,312.60/17,938,816.10 = 3,870,289.72/x
  3. Step 3: Cross multiply
    11,957,312.60x = 17,938,816.10 × 3,870,289.72
  4. Step 4: Simplify right side
    11,957,312.60x = 69,428,415,540,800.50
  5. Step 5: Solve for x
    x = 69,428,415,540,800.50/11,957,312.60
  6. Step 6: Final answer
    x = 5,806,356.15

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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.