Home / 20,242,529.65-27,905,636.59-14,431,222.31

Finding the Fourth Proportional to 20,242,529.65, 27,905,636.59 and 14,431,222.31

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Solution

The fourth proportional to 20,242,529.65, 27,905,636.59 and 14,431,222.31 is: 19,894,373.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242,529.65 : 27,905,636.59 = 14,431,222.31 : x
  2. Step 2: Convert to fraction form
    20,242,529.65/27,905,636.59 = 14,431,222.31/x
  3. Step 3: Cross multiply
    20,242,529.65x = 27,905,636.59 × 14,431,222.31
  4. Step 4: Simplify right side
    20,242,529.65x = 402,712,445,366,046.31
  5. Step 5: Solve for x
    x = 402,712,445,366,046.31/20,242,529.65
  6. Step 6: Final answer
    x = 19,894,373.50

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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.