Home / 38,057,996-52,520,061.84-20,654,336.72

Finding the Fourth Proportional to 38,057,996, 52,520,061.84 and 20,654,336.72

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Solution

The fourth proportional to 38,057,996, 52,520,061.84 and 20,654,336.72 is: 28,502,999.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,057,996 : 52,520,061.84 = 20,654,336.72 : x
  2. Step 2: Convert to fraction form
    38,057,996/52,520,061.84 = 20,654,336.72/x
  3. Step 3: Cross multiply
    38,057,996x = 52,520,061.84 × 20,654,336.72
  4. Step 4: Simplify right side
    38,057,996x = 1,084,767,041,798,582.75
  5. Step 5: Solve for x
    x = 1,084,767,041,798,582.75/38,057,996
  6. Step 6: Final answer
    x = 28,502,999.52

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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.