Home / 19,144,856.40-28,717,284.60-7,014,296.40

Finding the Fourth Proportional to 19,144,856.40, 28,717,284.60 and 7,014,296.40

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Solution

The fourth proportional to 19,144,856.40, 28,717,284.60 and 7,014,296.40 is: 10,521,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144,856.40 : 28,717,284.60 = 7,014,296.40 : x
  2. Step 2: Convert to fraction form
    19,144,856.40/28,717,284.60 = 7,014,296.40/x
  3. Step 3: Cross multiply
    19,144,856.40x = 28,717,284.60 × 7,014,296.40
  4. Step 4: Simplify right side
    19,144,856.40x = 201,431,545,987,555.47
  5. Step 5: Solve for x
    x = 201,431,545,987,555.47/19,144,856.40
  6. Step 6: Final answer
    x = 10,521,444.60

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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.