Home / 10,365,069.80-15,547,604.70-9,169,327.55

Finding the Fourth Proportional to 10,365,069.80, 15,547,604.70 and 9,169,327.55

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Solution

The fourth proportional to 10,365,069.80, 15,547,604.70 and 9,169,327.55 is: 13,753,991.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365,069.80 : 15,547,604.70 = 9,169,327.55 : x
  2. Step 2: Convert to fraction form
    10,365,069.80/15,547,604.70 = 9,169,327.55/x
  3. Step 3: Cross multiply
    10,365,069.80x = 15,547,604.70 × 9,169,327.55
  4. Step 4: Simplify right side
    10,365,069.80x = 142,561,080,112,219.50
  5. Step 5: Solve for x
    x = 142,561,080,112,219.50/10,365,069.80
  6. Step 6: Final answer
    x = 13,753,991.33

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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.