Home / 30,885,334.30-42,604,053.19-19,262,719.63

Finding the Fourth Proportional to 30,885,334.30, 42,604,053.19 and 19,262,719.63

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Solution

The fourth proportional to 30,885,334.30, 42,604,053.19 and 19,262,719.63 is: 26,571,508.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885,334.30 : 42,604,053.19 = 19,262,719.63 : x
  2. Step 2: Convert to fraction form
    30,885,334.30/42,604,053.19 = 19,262,719.63/x
  3. Step 3: Cross multiply
    30,885,334.30x = 42,604,053.19 × 19,262,719.63
  4. Step 4: Simplify right side
    30,885,334.30x = 820,669,931,700,577
  5. Step 5: Solve for x
    x = 820,669,931,700,577/30,885,334.30
  6. Step 6: Final answer
    x = 26,571,508.79

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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.