Home / 7,788,339.40-11,679,009.90-2,994,435.40

Finding the Fourth Proportional to 7,788,339.40, 11,679,009.90 and 2,994,435.40

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Solution

The fourth proportional to 7,788,339.40, 11,679,009.90 and 2,994,435.40 is: 4,490,307.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788,339.40 : 11,679,009.90 = 2,994,435.40 : x
  2. Step 2: Convert to fraction form
    7,788,339.40/11,679,009.90 = 2,994,435.40/x
  3. Step 3: Cross multiply
    7,788,339.40x = 11,679,009.90 × 2,994,435.40
  4. Step 4: Simplify right side
    7,788,339.40x = 34,972,040,681,510.46
  5. Step 5: Solve for x
    x = 34,972,040,681,510.46/7,788,339.40
  6. Step 6: Final answer
    x = 4,490,307.74

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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.