Home / 7,296,020.40-10,944,030.60-7,146,721.20

Finding the Fourth Proportional to 7,296,020.40, 10,944,030.60 and 7,146,721.20

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Solution

The fourth proportional to 7,296,020.40, 10,944,030.60 and 7,146,721.20 is: 10,720,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,296,020.40 : 10,944,030.60 = 7,146,721.20 : x
  2. Step 2: Convert to fraction form
    7,296,020.40/10,944,030.60 = 7,146,721.20/x
  3. Step 3: Cross multiply
    7,296,020.40x = 10,944,030.60 × 7,146,721.20
  4. Step 4: Simplify right side
    7,296,020.40x = 78,213,935,502,468.72
  5. Step 5: Solve for x
    x = 78,213,935,502,468.72/7,296,020.40
  6. Step 6: Final answer
    x = 10,720,081.80

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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.