Home / 7,718,119.30-11,561,743.70-4,642,411.42

Finding the Fourth Proportional to 7,718,119.30, 11,561,743.70 and 4,642,411.42

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Solution

The fourth proportional to 7,718,119.30, 11,561,743.70 and 4,642,411.42 is: 6,954,332.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718,119.30 : 11,561,743.70 = 4,642,411.42 : x
  2. Step 2: Convert to fraction form
    7,718,119.30/11,561,743.70 = 4,642,411.42/x
  3. Step 3: Cross multiply
    7,718,119.30x = 11,561,743.70 × 4,642,411.42
  4. Step 4: Simplify right side
    7,718,119.30x = 53,674,371,009,701.32
  5. Step 5: Solve for x
    x = 53,674,371,009,701.32/7,718,119.30
  6. Step 6: Final answer
    x = 6,954,332.91

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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.