Home / 30,035,649.42-45,026,754.39-10,862,143.83

Finding the Fourth Proportional to 30,035,649.42, 45,026,754.39 and 10,862,143.83

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Solution

The fourth proportional to 30,035,649.42, 45,026,754.39 and 10,862,143.83 is: 16,283,552.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,035,649.42 : 45,026,754.39 = 10,862,143.83 : x
  2. Step 2: Convert to fraction form
    30,035,649.42/45,026,754.39 = 10,862,143.83/x
  3. Step 3: Cross multiply
    30,035,649.42x = 45,026,754.39 × 10,862,143.83
  4. Step 4: Simplify right side
    30,035,649.42x = 489,087,082,382,263.94
  5. Step 5: Solve for x
    x = 489,087,082,382,263.94/30,035,649.42
  6. Step 6: Final answer
    x = 16,283,552.77

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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.