Home / 30,527,979.20-45,763,508.64-10,319,088.32

Finding the Fourth Proportional to 30,527,979.20, 45,763,508.64 and 10,319,088.32

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Solution

The fourth proportional to 30,527,979.20, 45,763,508.64 and 10,319,088.32 is: 15,469,012.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,527,979.20 : 45,763,508.64 = 10,319,088.32 : x
  2. Step 2: Convert to fraction form
    30,527,979.20/45,763,508.64 = 10,319,088.32/x
  3. Step 3: Cross multiply
    30,527,979.20x = 45,763,508.64 × 10,319,088.32
  4. Step 4: Simplify right side
    30,527,979.20x = 472,237,687,489,243.12
  5. Step 5: Solve for x
    x = 472,237,687,489,243.12/30,527,979.20
  6. Step 6: Final answer
    x = 15,469,012.36

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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.