Home / 21,133,307.76-31,677,839.01-8,844,312.44

Finding the Fourth Proportional to 21,133,307.76, 31,677,839.01 and 8,844,312.44

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Solution

The fourth proportional to 21,133,307.76, 31,677,839.01 and 8,844,312.44 is: 13,257,210.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,133,307.76 : 31,677,839.01 = 8,844,312.44 : x
  2. Step 2: Convert to fraction form
    21,133,307.76/31,677,839.01 = 8,844,312.44/x
  3. Step 3: Cross multiply
    21,133,307.76x = 31,677,839.01 × 8,844,312.44
  4. Step 4: Simplify right side
    21,133,307.76x = 280,168,705,470,071.12
  5. Step 5: Solve for x
    x = 280,168,705,470,071.12/21,133,307.76
  6. Step 6: Final answer
    x = 13,257,210.31

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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.