Home / 38,080,098.90-52,550,598.69-20,676,477.78

Finding the Fourth Proportional to 38,080,098.90, 52,550,598.69 and 20,676,477.78

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Solution

The fourth proportional to 38,080,098.90, 52,550,598.69 and 20,676,477.78 is: 28,533,573.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,080,098.90 : 52,550,598.69 = 20,676,477.78 : x
  2. Step 2: Convert to fraction form
    38,080,098.90/52,550,598.69 = 20,676,477.78/x
  3. Step 3: Cross multiply
    38,080,098.90x = 52,550,598.69 × 20,676,477.78
  4. Step 4: Simplify right side
    38,080,098.90x = 1,086,561,286,139,482.12
  5. Step 5: Solve for x
    x = 1,086,561,286,139,482.12/38,080,098.90
  6. Step 6: Final answer
    x = 28,533,573.11

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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.