Home / 30,319,416.18-45,502,708.19-21,162,023.51

Finding the Fourth Proportional to 30,319,416.18, 45,502,708.19 and 21,162,023.51

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Solution

The fourth proportional to 30,319,416.18, 45,502,708.19 and 21,162,023.51 is: 31,759,496.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,319,416.18 : 45,502,708.19 = 21,162,023.51 : x
  2. Step 2: Convert to fraction form
    30,319,416.18/45,502,708.19 = 21,162,023.51/x
  3. Step 3: Cross multiply
    30,319,416.18x = 45,502,708.19 × 21,162,023.51
  4. Step 4: Simplify right side
    30,319,416.18x = 962,929,380,152,125.88
  5. Step 5: Solve for x
    x = 962,929,380,152,125.88/30,319,416.18
  6. Step 6: Final answer
    x = 31,759,496.11

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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.