Home / 30,947,448.30-46,421,172.45-27,971,378.70

Finding the Fourth Proportional to 30,947,448.30, 46,421,172.45 and 27,971,378.70

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Solution

The fourth proportional to 30,947,448.30, 46,421,172.45 and 27,971,378.70 is: 41,957,068.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,947,448.30 : 46,421,172.45 = 27,971,378.70 : x
  2. Step 2: Convert to fraction form
    30,947,448.30/46,421,172.45 = 27,971,378.70/x
  3. Step 3: Cross multiply
    30,947,448.30x = 46,421,172.45 × 27,971,378.70
  4. Step 4: Simplify right side
    30,947,448.30x = 1,298,464,194,296,956.75
  5. Step 5: Solve for x
    x = 1,298,464,194,296,956.75/30,947,448.30
  6. Step 6: Final answer
    x = 41,957,068.05

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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.