Home / 30,886,330.61-42,623,119.71-16,947,777.26

Finding the Fourth Proportional to 30,886,330.61, 42,623,119.71 and 16,947,777.26

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Solution

The fourth proportional to 30,886,330.61, 42,623,119.71 and 16,947,777.26 is: 23,387,923.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,886,330.61 : 42,623,119.71 = 16,947,777.26 : x
  2. Step 2: Convert to fraction form
    30,886,330.61/42,623,119.71 = 16,947,777.26/x
  3. Step 3: Cross multiply
    30,886,330.61x = 42,623,119.71 × 16,947,777.26
  4. Step 4: Simplify right side
    30,886,330.61x = 722,367,139,077,953.62
  5. Step 5: Solve for x
    x = 722,367,139,077,953.62/30,886,330.61
  6. Step 6: Final answer
    x = 23,387,923.55

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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.