Home / 10,210,315.92-15,315,301.08-3,021,810

Finding the Fourth Proportional to 10,210,315.92, 15,315,301.08 and 3,021,810

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Solution

The fourth proportional to 10,210,315.92, 15,315,301.08 and 3,021,810 is: 4,532,663.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210,315.92 : 15,315,301.08 = 3,021,810 : x
  2. Step 2: Convert to fraction form
    10,210,315.92/15,315,301.08 = 3,021,810/x
  3. Step 3: Cross multiply
    10,210,315.92x = 15,315,301.08 × 3,021,810
  4. Step 4: Simplify right side
    10,210,315.92x = 46,279,929,956,554.80
  5. Step 5: Solve for x
    x = 46,279,929,956,554.80/10,210,315.92
  6. Step 6: Final answer
    x = 4,532,663.86

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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.