Home / 13,207,508.80-19,811,263.20-12,031,777.60

Finding the Fourth Proportional to 13,207,508.80, 19,811,263.20 and 12,031,777.60

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Solution

The fourth proportional to 13,207,508.80, 19,811,263.20 and 12,031,777.60 is: 18,047,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207,508.80 : 19,811,263.20 = 12,031,777.60 : x
  2. Step 2: Convert to fraction form
    13,207,508.80/19,811,263.20 = 12,031,777.60/x
  3. Step 3: Cross multiply
    13,207,508.80x = 19,811,263.20 × 12,031,777.60
  4. Step 4: Simplify right side
    13,207,508.80x = 238,364,712,797,464.31
  5. Step 5: Solve for x
    x = 238,364,712,797,464.31/13,207,508.80
  6. Step 6: Final answer
    x = 18,047,666.40

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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.