Home / 9,078,581.22-12,528,064.71-4,948,521.36

Finding the Fourth Proportional to 9,078,581.22, 12,528,064.71 and 4,948,521.36

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Solution

The fourth proportional to 9,078,581.22, 12,528,064.71 and 4,948,521.36 is: 6,828,753.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078,581.22 : 12,528,064.71 = 4,948,521.36 : x
  2. Step 2: Convert to fraction form
    9,078,581.22/12,528,064.71 = 4,948,521.36/x
  3. Step 3: Cross multiply
    9,078,581.22x = 12,528,064.71 × 4,948,521.36
  4. Step 4: Simplify right side
    9,078,581.22x = 61,995,395,816,897.21
  5. Step 5: Solve for x
    x = 61,995,395,816,897.21/9,078,581.22
  6. Step 6: Final answer
    x = 6,828,753.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.