Home / 21,011,257-31,516,885.98-5,054,905

Finding the Fourth Proportional to 21,011,257, 31,516,885.98 and 5,054,905

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Solution

The fourth proportional to 21,011,257, 31,516,885.98 and 5,054,905 is: 7,582,357.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,011,257 : 31,516,885.98 = 5,054,905 : x
  2. Step 2: Convert to fraction form
    21,011,257/31,516,885.98 = 5,054,905/x
  3. Step 3: Cross multiply
    21,011,257x = 31,516,885.98 × 5,054,905
  4. Step 4: Simplify right side
    21,011,257x = 159,314,864,524,731.91
  5. Step 5: Solve for x
    x = 159,314,864,524,731.91/21,011,257
  6. Step 6: Final answer
    x = 7,582,357.62

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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.