Home / 30,319,410.18-45,502,699.20-21,162,017.52

Finding the Fourth Proportional to 30,319,410.18, 45,502,699.20 and 21,162,017.52

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Solution

The fourth proportional to 30,319,410.18, 45,502,699.20 and 21,162,017.52 is: 31,759,487.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,319,410.18 : 45,502,699.20 = 21,162,017.52 : x
  2. Step 2: Convert to fraction form
    30,319,410.18/45,502,699.20 = 21,162,017.52/x
  3. Step 3: Cross multiply
    30,319,410.18x = 45,502,699.20 × 21,162,017.52
  4. Step 4: Simplify right side
    30,319,410.18x = 962,928,917,677,690
  5. Step 5: Solve for x
    x = 962,928,917,677,690/30,319,410.18
  6. Step 6: Final answer
    x = 31,759,487.14

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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.