Home / 13,147,518.60-19,707,864.30-8,888,117.40

Finding the Fourth Proportional to 13,147,518.60, 19,707,864.30 and 8,888,117.40

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Solution

The fourth proportional to 13,147,518.60, 19,707,864.30 and 8,888,117.40 is: 13,323,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147,518.60 : 19,707,864.30 = 8,888,117.40 : x
  2. Step 2: Convert to fraction form
    13,147,518.60/19,707,864.30 = 8,888,117.40/x
  3. Step 3: Cross multiply
    13,147,518.60x = 19,707,864.30 × 8,888,117.40
  4. Step 4: Simplify right side
    13,147,518.60x = 175,165,811,601,668.84
  5. Step 5: Solve for x
    x = 175,165,811,601,668.84/13,147,518.60
  6. Step 6: Final answer
    x = 13,323,108.10

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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.