Home / 21,275,652-31,913,478.72-5,319,300

Finding the Fourth Proportional to 21,275,652, 31,913,478.72 and 5,319,300

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Solution

The fourth proportional to 21,275,652, 31,913,478.72 and 5,319,300 is: 7,978,950.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,275,652 : 31,913,478.72 = 5,319,300 : x
  2. Step 2: Convert to fraction form
    21,275,652/31,913,478.72 = 5,319,300/x
  3. Step 3: Cross multiply
    21,275,652x = 31,913,478.72 × 5,319,300
  4. Step 4: Simplify right side
    21,275,652x = 169,757,367,355,296
  5. Step 5: Solve for x
    x = 169,757,367,355,296/21,275,652
  6. Step 6: Final answer
    x = 7,978,950.18

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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.