Home / 9,291,275.80-13,936,913.70-7,378,088.20

Finding the Fourth Proportional to 9,291,275.80, 13,936,913.70 and 7,378,088.20

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Solution

The fourth proportional to 9,291,275.80, 13,936,913.70 and 7,378,088.20 is: 11,067,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291,275.80 : 13,936,913.70 = 7,378,088.20 : x
  2. Step 2: Convert to fraction form
    9,291,275.80/13,936,913.70 = 7,378,088.20/x
  3. Step 3: Cross multiply
    9,291,275.80x = 13,936,913.70 × 7,378,088.20
  4. Step 4: Simplify right side
    9,291,275.80x = 102,827,778,514,388.34
  5. Step 5: Solve for x
    x = 102,827,778,514,388.34/9,291,275.80
  6. Step 6: Final answer
    x = 11,067,132.30

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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.