Home / 38,865,980.76-58,259,955.06-13,289,498.52

Finding the Fourth Proportional to 38,865,980.76, 58,259,955.06 and 13,289,498.52

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Solution

The fourth proportional to 38,865,980.76, 58,259,955.06 and 13,289,498.52 is: 19,920,906.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,865,980.76 : 58,259,955.06 = 13,289,498.52 : x
  2. Step 2: Convert to fraction form
    38,865,980.76/58,259,955.06 = 13,289,498.52/x
  3. Step 3: Cross multiply
    38,865,980.76x = 58,259,955.06 × 13,289,498.52
  4. Step 4: Simplify right side
    38,865,980.76x = 774,245,586,545,136.50
  5. Step 5: Solve for x
    x = 774,245,586,545,136.50/38,865,980.76
  6. Step 6: Final answer
    x = 19,920,906.96

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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.