Home / 10,943,999.40-16,415,999.10-6,409,036.20

Finding the Fourth Proportional to 10,943,999.40, 16,415,999.10 and 6,409,036.20

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Solution

The fourth proportional to 10,943,999.40, 16,415,999.10 and 6,409,036.20 is: 9,613,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943,999.40 : 16,415,999.10 = 6,409,036.20 : x
  2. Step 2: Convert to fraction form
    10,943,999.40/16,415,999.10 = 6,409,036.20/x
  3. Step 3: Cross multiply
    10,943,999.40x = 16,415,999.10 × 6,409,036.20
  4. Step 4: Simplify right side
    10,943,999.40x = 105,210,732,491,067.42
  5. Step 5: Solve for x
    x = 105,210,732,491,067.42/10,943,999.40
  6. Step 6: Final answer
    x = 9,613,554.30

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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.