Home / 38,126,907.45-52,615,143.95-20,723,257.17

Finding the Fourth Proportional to 38,126,907.45, 52,615,143.95 and 20,723,257.17

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Solution

The fourth proportional to 38,126,907.45, 52,615,143.95 and 20,723,257.17 is: 28,598,101.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,126,907.45 : 52,615,143.95 = 20,723,257.17 : x
  2. Step 2: Convert to fraction form
    38,126,907.45/52,615,143.95 = 20,723,257.17/x
  3. Step 3: Cross multiply
    38,126,907.45x = 52,615,143.95 × 20,723,257.17
  4. Step 4: Simplify right side
    38,126,907.45x = 1,090,357,159,008,803.38
  5. Step 5: Solve for x
    x = 1,090,357,159,008,803.38/38,126,907.45
  6. Step 6: Final answer
    x = 28,598,101.23

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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.