Home / 43,139,637.60-64,709,456.40-12,434,157.60

Finding the Fourth Proportional to 43,139,637.60, 64,709,456.40 and 12,434,157.60

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Solution

The fourth proportional to 43,139,637.60, 64,709,456.40 and 12,434,157.60 is: 18,651,236.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,139,637.60 : 64,709,456.40 = 12,434,157.60 : x
  2. Step 2: Convert to fraction form
    43,139,637.60/64,709,456.40 = 12,434,157.60/x
  3. Step 3: Cross multiply
    43,139,637.60x = 64,709,456.40 × 12,434,157.60
  4. Step 4: Simplify right side
    43,139,637.60x = 804,607,579,087,928.62
  5. Step 5: Solve for x
    x = 804,607,579,087,928.62/43,139,637.60
  6. Step 6: Final answer
    x = 18,651,236.40

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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.