Home / 20,740,050.82-28,632,031.50-15,152,030.38

Finding the Fourth Proportional to 20,740,050.82, 28,632,031.50 and 15,152,030.38

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Solution

The fourth proportional to 20,740,050.82, 28,632,031.50 and 15,152,030.38 is: 20,917,663.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,740,050.82 : 28,632,031.50 = 15,152,030.38 : x
  2. Step 2: Convert to fraction form
    20,740,050.82/28,632,031.50 = 15,152,030.38/x
  3. Step 3: Cross multiply
    20,740,050.82x = 28,632,031.50 × 15,152,030.38
  4. Step 4: Simplify right side
    20,740,050.82x = 433,833,411,129,117
  5. Step 5: Solve for x
    x = 433,833,411,129,117/20,740,050.82
  6. Step 6: Final answer
    x = 20,917,663.84

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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.