Home / 38,130,342.86-52,619,907.05-20,726,688.08

Finding the Fourth Proportional to 38,130,342.86, 52,619,907.05 and 20,726,688.08

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Solution

The fourth proportional to 38,130,342.86, 52,619,907.05 and 20,726,688.08 is: 28,602,847.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,130,342.86 : 52,619,907.05 = 20,726,688.08 : x
  2. Step 2: Convert to fraction form
    38,130,342.86/52,619,907.05 = 20,726,688.08/x
  3. Step 3: Cross multiply
    38,130,342.86x = 52,619,907.05 × 20,726,688.08
  4. Step 4: Simplify right side
    38,130,342.86x = 1,090,636,399,857,210
  5. Step 5: Solve for x
    x = 1,090,636,399,857,210/38,130,342.86
  6. Step 6: Final answer
    x = 28,602,847.97

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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.