Home / 12,941,345.40-19,412,018.10-6,571,246.20

Finding the Fourth Proportional to 12,941,345.40, 19,412,018.10 and 6,571,246.20

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Solution

The fourth proportional to 12,941,345.40, 19,412,018.10 and 6,571,246.20 is: 9,856,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941,345.40 : 19,412,018.10 = 6,571,246.20 : x
  2. Step 2: Convert to fraction form
    12,941,345.40/19,412,018.10 = 6,571,246.20/x
  3. Step 3: Cross multiply
    12,941,345.40x = 19,412,018.10 × 6,571,246.20
  4. Step 4: Simplify right side
    12,941,345.40x = 127,561,150,173,956.23
  5. Step 5: Solve for x
    x = 127,561,150,173,956.23/12,941,345.40
  6. Step 6: Final answer
    x = 9,856,869.30

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Double scale
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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.