Home / 21,919,030.40-30,753,827.20-21,919,030.40

Finding the Fourth Proportional to 21,919,030.40, 30,753,827.20 and 21,919,030.40

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Solution

The fourth proportional to 21,919,030.40, 30,753,827.20 and 21,919,030.40 is: 30,753,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,919,030.40 : 30,753,827.20 = 21,919,030.40 : x
  2. Step 2: Convert to fraction form
    21,919,030.40/30,753,827.20 = 21,919,030.40/x
  3. Step 3: Cross multiply
    21,919,030.40x = 30,753,827.20 × 21,919,030.40
  4. Step 4: Simplify right side
    21,919,030.40x = 674,094,073,313,146.88
  5. Step 5: Solve for x
    x = 674,094,073,313,146.88/21,919,030.40
  6. Step 6: Final answer
    x = 30,753,827.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.