Home / 9,642,783.30-13,306,161.40-5,721,863.69

Finding the Fourth Proportional to 9,642,783.30, 13,306,161.40 and 5,721,863.69

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Solution

The fourth proportional to 9,642,783.30, 13,306,161.40 and 5,721,863.69 is: 7,895,649.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642,783.30 : 13,306,161.40 = 5,721,863.69 : x
  2. Step 2: Convert to fraction form
    9,642,783.30/13,306,161.40 = 5,721,863.69/x
  3. Step 3: Cross multiply
    9,642,783.30x = 13,306,161.40 × 5,721,863.69
  4. Step 4: Simplify right side
    9,642,783.30x = 76,136,041,767,939.58
  5. Step 5: Solve for x
    x = 76,136,041,767,939.58/9,642,783.30
  6. Step 6: Final answer
    x = 7,895,649.98

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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.