Home / 38,309,708.84-52,868,521.13-20,907,172.98

Finding the Fourth Proportional to 38,309,708.84, 52,868,521.13 and 20,907,172.98

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Solution

The fourth proportional to 38,309,708.84, 52,868,521.13 and 20,907,172.98 is: 28,852,511.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,309,708.84 : 52,868,521.13 = 20,907,172.98 : x
  2. Step 2: Convert to fraction form
    38,309,708.84/52,868,521.13 = 20,907,172.98/x
  3. Step 3: Cross multiply
    38,309,708.84x = 52,868,521.13 × 20,907,172.98
  4. Step 4: Simplify right side
    38,309,708.84x = 1,105,331,316,357,159.25
  5. Step 5: Solve for x
    x = 1,105,331,316,357,159.25/38,309,708.84
  6. Step 6: Final answer
    x = 28,852,511.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.