Home / 20,624,929.07-28,464,876.36-12,369,533.00

Finding the Fourth Proportional to 20,624,929.07, 28,464,876.36 and 12,369,533.00

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Solution

The fourth proportional to 20,624,929.07, 28,464,876.36 and 12,369,533.00 is: 17,071,439.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,624,929.07 : 28,464,876.36 = 12,369,533.00 : x
  2. Step 2: Convert to fraction form
    20,624,929.07/28,464,876.36 = 12,369,533.00/x
  3. Step 3: Cross multiply
    20,624,929.07x = 28,464,876.36 × 12,369,533.00
  4. Step 4: Simplify right side
    20,624,929.07x = 352,097,227,333,615.44
  5. Step 5: Solve for x
    x = 352,097,227,333,615.44/20,624,929.07
  6. Step 6: Final answer
    x = 17,071,439.43

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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.