Home / 28,444,957.50-39,254,145.44-15,392,216.55

Finding the Fourth Proportional to 28,444,957.50, 39,254,145.44 and 15,392,216.55

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Solution

The fourth proportional to 28,444,957.50, 39,254,145.44 and 15,392,216.55 is: 21,241,315.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444,957.50 : 39,254,145.44 = 15,392,216.55 : x
  2. Step 2: Convert to fraction form
    28,444,957.50/39,254,145.44 = 15,392,216.55/x
  3. Step 3: Cross multiply
    28,444,957.50x = 39,254,145.44 × 15,392,216.55
  4. Step 4: Simplify right side
    28,444,957.50x = 604,208,307,020,714
  5. Step 5: Solve for x
    x = 604,208,307,020,714/28,444,957.50
  6. Step 6: Final answer
    x = 21,241,315.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.