Home / 38,130,338.98-52,619,901.70-20,726,684.20

Finding the Fourth Proportional to 38,130,338.98, 52,619,901.70 and 20,726,684.20

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Solution

The fourth proportional to 38,130,338.98, 52,619,901.70 and 20,726,684.20 is: 28,602,842.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,130,338.98 : 52,619,901.70 = 20,726,684.20 : x
  2. Step 2: Convert to fraction form
    38,130,338.98/52,619,901.70 = 20,726,684.20/x
  3. Step 3: Cross multiply
    38,130,338.98x = 52,619,901.70 × 20,726,684.20
  4. Step 4: Simplify right side
    38,130,338.98x = 1,090,636,085,119,126.38
  5. Step 5: Solve for x
    x = 1,090,636,085,119,126.38/38,130,338.98
  6. Step 6: Final answer
    x = 28,602,842.63

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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.