Home / 13,134,489.60-19,701,734.40-12,238,694.40

Finding the Fourth Proportional to 13,134,489.60, 19,701,734.40 and 12,238,694.40

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Solution

The fourth proportional to 13,134,489.60, 19,701,734.40 and 12,238,694.40 is: 18,358,041.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134,489.60 : 19,701,734.40 = 12,238,694.40 : x
  2. Step 2: Convert to fraction form
    13,134,489.60/19,701,734.40 = 12,238,694.40/x
  3. Step 3: Cross multiply
    13,134,489.60x = 19,701,734.40 × 12,238,694.40
  4. Step 4: Simplify right side
    13,134,489.60x = 241,123,506,471,567.34
  5. Step 5: Solve for x
    x = 241,123,506,471,567.34/13,134,489.60
  6. Step 6: Final answer
    x = 18,358,041.60

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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.