Home / 28,609,500.93-39,481,316.76-15,556,666.32

Finding the Fourth Proportional to 28,609,500.93, 39,481,316.76 and 15,556,666.32

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Solution

The fourth proportional to 28,609,500.93, 39,481,316.76 and 15,556,666.32 is: 21,468,311.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,609,500.93 : 39,481,316.76 = 15,556,666.32 : x
  2. Step 2: Convert to fraction form
    28,609,500.93/39,481,316.76 = 15,556,666.32/x
  3. Step 3: Cross multiply
    28,609,500.93x = 39,481,316.76 × 15,556,666.32
  4. Step 4: Simplify right side
    28,609,500.93x = 614,197,670,709,543.50
  5. Step 5: Solve for x
    x = 614,197,670,709,543.50/28,609,500.93
  6. Step 6: Final answer
    x = 21,468,311.25

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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.