Home / 12,758,023.76-19,133,774.84-3,780,476.24

Finding the Fourth Proportional to 12,758,023.76, 19,133,774.84 and 3,780,476.24

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Solution

The fourth proportional to 12,758,023.76, 19,133,774.84 and 3,780,476.24 is: 5,669,748.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,758,023.76 : 19,133,774.84 = 3,780,476.24 : x
  2. Step 2: Convert to fraction form
    12,758,023.76/19,133,774.84 = 3,780,476.24/x
  3. Step 3: Cross multiply
    12,758,023.76x = 19,133,774.84 × 3,780,476.24
  4. Step 4: Simplify right side
    12,758,023.76x = 72,334,781,164,129.81
  5. Step 5: Solve for x
    x = 72,334,781,164,129.81/12,758,023.76
  6. Step 6: Final answer
    x = 5,669,748.11

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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.