Home / 31,718,027.47-43,780,000.34-19,157,086.93

Finding the Fourth Proportional to 31,718,027.47, 43,780,000.34 and 19,157,086.93

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Solution

The fourth proportional to 31,718,027.47, 43,780,000.34 and 19,157,086.93 is: 26,442,289.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,718,027.47 : 43,780,000.34 = 19,157,086.93 : x
  2. Step 2: Convert to fraction form
    31,718,027.47/43,780,000.34 = 19,157,086.93/x
  3. Step 3: Cross multiply
    31,718,027.47x = 43,780,000.34 × 19,157,086.93
  4. Step 4: Simplify right side
    31,718,027.47x = 838,697,272,308,809.62
  5. Step 5: Solve for x
    x = 838,697,272,308,809.62/31,718,027.47
  6. Step 6: Final answer
    x = 26,442,289.74

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1.5x scale

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.