Home / 13,133,460.80-19,700,191.20-8,087,614.40

Finding the Fourth Proportional to 13,133,460.80, 19,700,191.20 and 8,087,614.40

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Solution

The fourth proportional to 13,133,460.80, 19,700,191.20 and 8,087,614.40 is: 12,131,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133,460.80 : 19,700,191.20 = 8,087,614.40 : x
  2. Step 2: Convert to fraction form
    13,133,460.80/19,700,191.20 = 8,087,614.40/x
  3. Step 3: Cross multiply
    13,133,460.80x = 19,700,191.20 × 8,087,614.40
  4. Step 4: Simplify right side
    13,133,460.80x = 159,327,550,031,873.28
  5. Step 5: Solve for x
    x = 159,327,550,031,873.28/13,133,460.80
  6. Step 6: Final answer
    x = 12,131,421.60

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1.5x scale

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.