Home / 10,866,946.80-16,300,420.20-3,292,928.40

Finding the Fourth Proportional to 10,866,946.80, 16,300,420.20 and 3,292,928.40

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Solution

The fourth proportional to 10,866,946.80, 16,300,420.20 and 3,292,928.40 is: 4,939,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866,946.80 : 16,300,420.20 = 3,292,928.40 : x
  2. Step 2: Convert to fraction form
    10,866,946.80/16,300,420.20 = 3,292,928.40/x
  3. Step 3: Cross multiply
    10,866,946.80x = 16,300,420.20 × 3,292,928.40
  4. Step 4: Simplify right side
    10,866,946.80x = 53,676,116,608,513.68
  5. Step 5: Solve for x
    x = 53,676,116,608,513.68/10,866,946.80
  6. Step 6: Final answer
    x = 4,939,392.60

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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.