Home / 21,888,048.30-32,832,072.45-20,712,317.10

Finding the Fourth Proportional to 21,888,048.30, 32,832,072.45 and 20,712,317.10

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Solution

The fourth proportional to 21,888,048.30, 32,832,072.45 and 20,712,317.10 is: 31,068,475.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888,048.30 : 32,832,072.45 = 20,712,317.10 : x
  2. Step 2: Convert to fraction form
    21,888,048.30/32,832,072.45 = 20,712,317.10/x
  3. Step 3: Cross multiply
    21,888,048.30x = 32,832,072.45 × 20,712,317.10
  4. Step 4: Simplify right side
    21,888,048.30x = 680,028,295,634,573.88
  5. Step 5: Solve for x
    x = 680,028,295,634,573.88/21,888,048.30
  6. Step 6: Final answer
    x = 31,068,475.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.