Home / 13,208,870.20-19,789,685.70-11,319,302.20

Finding the Fourth Proportional to 13,208,870.20, 19,789,685.70 and 11,319,302.20

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Solution

The fourth proportional to 13,208,870.20, 19,789,685.70 and 11,319,302.20 is: 16,958,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208,870.20 : 19,789,685.70 = 11,319,302.20 : x
  2. Step 2: Convert to fraction form
    13,208,870.20/19,789,685.70 = 11,319,302.20/x
  3. Step 3: Cross multiply
    13,208,870.20x = 19,789,685.70 × 11,319,302.20
  4. Step 4: Simplify right side
    13,208,870.20x = 224,005,432,881,318.53
  5. Step 5: Solve for x
    x = 224,005,432,881,318.53/13,208,870.20
  6. Step 6: Final answer
    x = 16,958,712.55

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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.