Home / 7,972,331.40-11,958,497.10-2,653,547.40

Finding the Fourth Proportional to 7,972,331.40, 11,958,497.10 and 2,653,547.40

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Solution

The fourth proportional to 7,972,331.40, 11,958,497.10 and 2,653,547.40 is: 3,980,321.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972,331.40 : 11,958,497.10 = 2,653,547.40 : x
  2. Step 2: Convert to fraction form
    7,972,331.40/11,958,497.10 = 2,653,547.40/x
  3. Step 3: Cross multiply
    7,972,331.40x = 11,958,497.10 × 2,653,547.40
  4. Step 4: Simplify right side
    7,972,331.40x = 31,732,438,887,612.54
  5. Step 5: Solve for x
    x = 31,732,438,887,612.54/7,972,331.40
  6. Step 6: Final answer
    x = 3,980,321.10

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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.