Home / 8,789,531.40-13,182,328.80-5,778,032.40

Finding the Fourth Proportional to 8,789,531.40, 13,182,328.80 and 5,778,032.40

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Solution

The fourth proportional to 8,789,531.40, 13,182,328.80 and 5,778,032.40 is: 8,665,754.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789,531.40 : 13,182,328.80 = 5,778,032.40 : x
  2. Step 2: Convert to fraction form
    8,789,531.40/13,182,328.80 = 5,778,032.40/x
  3. Step 3: Cross multiply
    8,789,531.40x = 13,182,328.80 × 5,778,032.40
  4. Step 4: Simplify right side
    8,789,531.40x = 76,167,922,913,853.12
  5. Step 5: Solve for x
    x = 76,167,922,913,853.12/8,789,531.40
  6. Step 6: Final answer
    x = 8,665,754.69

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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.