Home / 6,386,583.40-9,579,875.10-5,756,727.40

Finding the Fourth Proportional to 6,386,583.40, 9,579,875.10 and 5,756,727.40

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Solution

The fourth proportional to 6,386,583.40, 9,579,875.10 and 5,756,727.40 is: 8,635,091.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386,583.40 : 9,579,875.10 = 5,756,727.40 : x
  2. Step 2: Convert to fraction form
    6,386,583.40/9,579,875.10 = 5,756,727.40/x
  3. Step 3: Cross multiply
    6,386,583.40x = 9,579,875.10 × 5,756,727.40
  4. Step 4: Simplify right side
    6,386,583.40x = 55,148,729,476,747.74
  5. Step 5: Solve for x
    x = 55,148,729,476,747.74/6,386,583.40
  6. Step 6: Final answer
    x = 8,635,091.10

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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.