Home / 21,284,763.90-31,927,145.85-14,902,223.10

Finding the Fourth Proportional to 21,284,763.90, 31,927,145.85 and 14,902,223.10

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Solution

The fourth proportional to 21,284,763.90, 31,927,145.85 and 14,902,223.10 is: 22,353,334.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,284,763.90 : 31,927,145.85 = 14,902,223.10 : x
  2. Step 2: Convert to fraction form
    21,284,763.90/31,927,145.85 = 14,902,223.10/x
  3. Step 3: Cross multiply
    21,284,763.90x = 31,927,145.85 × 14,902,223.10
  4. Step 4: Simplify right side
    21,284,763.90x = 475,785,450,402,939.12
  5. Step 5: Solve for x
    x = 475,785,450,402,939.12/21,284,763.90
  6. Step 6: Final answer
    x = 22,353,334.65

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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.