Home / 13,105,140.30-19,657,710.45-8,003,306.70

Finding the Fourth Proportional to 13,105,140.30, 19,657,710.45 and 8,003,306.70

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Solution

The fourth proportional to 13,105,140.30, 19,657,710.45 and 8,003,306.70 is: 12,004,960.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105,140.30 : 19,657,710.45 = 8,003,306.70 : x
  2. Step 2: Convert to fraction form
    13,105,140.30/19,657,710.45 = 8,003,306.70/x
  3. Step 3: Cross multiply
    13,105,140.30x = 19,657,710.45 × 8,003,306.70
  4. Step 4: Simplify right side
    13,105,140.30x = 157,326,685,751,145
  5. Step 5: Solve for x
    x = 157,326,685,751,145/13,105,140.30
  6. Step 6: Final answer
    x = 12,004,960.05

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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.