Home / 13,140,143.94-19,710,264.40-4,042,178.52

Finding the Fourth Proportional to 13,140,143.94, 19,710,264.40 and 4,042,178.52

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Solution

The fourth proportional to 13,140,143.94, 19,710,264.40 and 4,042,178.52 is: 6,063,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140,143.94 : 19,710,264.40 = 4,042,178.52 : x
  2. Step 2: Convert to fraction form
    13,140,143.94/19,710,264.40 = 4,042,178.52/x
  3. Step 3: Cross multiply
    13,140,143.94x = 19,710,264.40 × 4,042,178.52
  4. Step 4: Simplify right side
    13,140,143.94x = 79,672,407,381,200.69
  5. Step 5: Solve for x
    x = 79,672,407,381,200.69/13,140,143.94
  6. Step 6: Final answer
    x = 6,063,282.70

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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.