Home / 12,935,114.10-19,402,671.15-11,890,019.70

Finding the Fourth Proportional to 12,935,114.10, 19,402,671.15 and 11,890,019.70

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Solution

The fourth proportional to 12,935,114.10, 19,402,671.15 and 11,890,019.70 is: 17,835,029.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935,114.10 : 19,402,671.15 = 11,890,019.70 : x
  2. Step 2: Convert to fraction form
    12,935,114.10/19,402,671.15 = 11,890,019.70/x
  3. Step 3: Cross multiply
    12,935,114.10x = 19,402,671.15 × 11,890,019.70
  4. Step 4: Simplify right side
    12,935,114.10x = 230,698,142,206,121.62
  5. Step 5: Solve for x
    x = 230,698,142,206,121.62/12,935,114.10
  6. Step 6: Final answer
    x = 17,835,029.55

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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.