Home / 20,090,026,521.90-27,710,121,576.87-13,221,234,696.06

Finding the Fourth Proportional to 20,090,026,521.90, 27,710,121,576.87 and 13,221,234,696.06

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Solution

The fourth proportional to 20,090,026,521.90, 27,710,121,576.87 and 13,221,234,696.06 is: 18,236,014,791.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,090,026,521.90 : 27,710,121,576.87 = 13,221,234,696.06 : x
  2. Step 2: Convert to fraction form
    20,090,026,521.90/27,710,121,576.87 = 13,221,234,696.06/x
  3. Step 3: Cross multiply
    20,090,026,521.90x = 27,710,121,576.87 × 13,221,234,696.06
  4. Step 4: Simplify right side
    20,090,026,521.90x = 366,362,020,824,154,439,680
  5. Step 5: Solve for x
    x = 366,362,020,824,154,439,680/20,090,026,521.90
  6. Step 6: Final answer
    x = 18,236,014,791.96

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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.