Home / 11,211,316.80-16,806,477.60-8,781,122.40

Finding the Fourth Proportional to 11,211,316.80, 16,806,477.60 and 8,781,122.40

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Solution

The fourth proportional to 11,211,316.80, 16,806,477.60 and 8,781,122.40 is: 13,163,461.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211,316.80 : 16,806,477.60 = 8,781,122.40 : x
  2. Step 2: Convert to fraction form
    11,211,316.80/16,806,477.60 = 8,781,122.40/x
  3. Step 3: Cross multiply
    11,211,316.80x = 16,806,477.60 × 8,781,122.40
  4. Step 4: Simplify right side
    11,211,316.80x = 147,579,736,918,458.25
  5. Step 5: Solve for x
    x = 147,579,736,918,458.25/11,211,316.80
  6. Step 6: Final answer
    x = 13,163,461.49

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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.