Home / 27,646,284.20-38,151,888.60-15,423,141.20

Finding the Fourth Proportional to 27,646,284.20, 38,151,888.60 and 15,423,141.20

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Solution

The fourth proportional to 27,646,284.20, 38,151,888.60 and 15,423,141.20 is: 21,283,944.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,646,284.20 : 38,151,888.60 = 15,423,141.20 : x
  2. Step 2: Convert to fraction form
    27,646,284.20/38,151,888.60 = 15,423,141.20/x
  3. Step 3: Cross multiply
    27,646,284.20x = 38,151,888.60 × 15,423,141.20
  4. Step 4: Simplify right side
    27,646,284.20x = 588,421,964,733,710.88
  5. Step 5: Solve for x
    x = 588,421,964,733,710.88/27,646,284.20
  6. Step 6: Final answer
    x = 21,283,944.00

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Double scale
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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.