Home / 43,107,468.60-64,670,534.10-12,818,393.40

Finding the Fourth Proportional to 43,107,468.60, 64,670,534.10 and 12,818,393.40

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Solution

The fourth proportional to 43,107,468.60, 64,670,534.10 and 12,818,393.40 is: 19,230,364.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,107,468.60 : 64,670,534.10 = 12,818,393.40 : x
  2. Step 2: Convert to fraction form
    43,107,468.60/64,670,534.10 = 12,818,393.40/x
  3. Step 3: Cross multiply
    43,107,468.60x = 64,670,534.10 × 12,818,393.40
  4. Step 4: Simplify right side
    43,107,468.60x = 828,972,347,481,915
  5. Step 5: Solve for x
    x = 828,972,347,481,915/43,107,468.60
  6. Step 6: Final answer
    x = 19,230,364.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.