Home / 10,890,048.60-16,335,072.90-6,858,970.20

Finding the Fourth Proportional to 10,890,048.60, 16,335,072.90 and 6,858,970.20

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Solution

The fourth proportional to 10,890,048.60, 16,335,072.90 and 6,858,970.20 is: 10,288,455.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,048.60 : 16,335,072.90 = 6,858,970.20 : x
  2. Step 2: Convert to fraction form
    10,890,048.60/16,335,072.90 = 6,858,970.20/x
  3. Step 3: Cross multiply
    10,890,048.60x = 16,335,072.90 × 6,858,970.20
  4. Step 4: Simplify right side
    10,890,048.60x = 112,041,778,235,927.58
  5. Step 5: Solve for x
    x = 112,041,778,235,927.58/10,890,048.60
  6. Step 6: Final answer
    x = 10,288,455.30

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1.5x scale

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.