Home / 38,444,178.56-53,053,106.96-20,803,081.20

Finding the Fourth Proportional to 38,444,178.56, 53,053,106.96 and 20,803,081.20

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Solution

The fourth proportional to 38,444,178.56, 53,053,106.96 and 20,803,081.20 is: 28,708,328.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,444,178.56 : 53,053,106.96 = 20,803,081.20 : x
  2. Step 2: Convert to fraction form
    38,444,178.56/53,053,106.96 = 20,803,081.20/x
  3. Step 3: Cross multiply
    38,444,178.56x = 53,053,106.96 × 20,803,081.20
  4. Step 4: Simplify right side
    38,444,178.56x = 1,103,668,092,001,165.12
  5. Step 5: Solve for x
    x = 1,103,668,092,001,165.12/38,444,178.56
  6. Step 6: Final answer
    x = 28,708,328.11

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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.