Home / 38,232,130.58-52,760,064.93-20,828,470.58

Finding the Fourth Proportional to 38,232,130.58, 52,760,064.93 and 20,828,470.58

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Solution

The fourth proportional to 38,232,130.58, 52,760,064.93 and 20,828,470.58 is: 28,743,139.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,232,130.58 : 52,760,064.93 = 20,828,470.58 : x
  2. Step 2: Convert to fraction form
    38,232,130.58/52,760,064.93 = 20,828,470.58/x
  3. Step 3: Cross multiply
    38,232,130.58x = 52,760,064.93 × 20,828,470.58
  4. Step 4: Simplify right side
    38,232,130.58x = 1,098,911,460,193,394.62
  5. Step 5: Solve for x
    x = 1,098,911,460,193,394.62/38,232,130.58
  6. Step 6: Final answer
    x = 28,743,139.44

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1.5x scale

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.