Home / 38,298,666.68-52,852,099.56-20,895,013.43

Finding the Fourth Proportional to 38,298,666.68, 52,852,099.56 and 20,895,013.43

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Solution

The fourth proportional to 38,298,666.68, 52,852,099.56 and 20,895,013.43 is: 28,835,085.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,298,666.68 : 52,852,099.56 = 20,895,013.43 : x
  2. Step 2: Convert to fraction form
    38,298,666.68/52,852,099.56 = 20,895,013.43/x
  3. Step 3: Cross multiply
    38,298,666.68x = 52,852,099.56 × 20,895,013.43
  4. Step 4: Simplify right side
    38,298,666.68x = 1,104,345,330,109,897.12
  5. Step 5: Solve for x
    x = 1,104,345,330,109,897.12/38,298,666.68
  6. Step 6: Final answer
    x = 28,835,085.55

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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.