Home / 21,011,271-31,516,907.02-5,054,919

Finding the Fourth Proportional to 21,011,271, 31,516,907.02 and 5,054,919

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Solution

The fourth proportional to 21,011,271, 31,516,907.02 and 5,054,919 is: 7,582,378.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,011,271 : 31,516,907.02 = 5,054,919 : x
  2. Step 2: Convert to fraction form
    21,011,271/31,516,907.02 = 5,054,919/x
  3. Step 3: Cross multiply
    21,011,271x = 31,516,907.02 × 5,054,919
  4. Step 4: Simplify right side
    21,011,271x = 159,315,412,116,631.38
  5. Step 5: Solve for x
    x = 159,315,412,116,631.38/21,011,271
  6. Step 6: Final answer
    x = 7,582,378.63

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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.