Home / 11,971,663.65-16,520,895.55-6,465,038.06

Finding the Fourth Proportional to 11,971,663.65, 16,520,895.55 and 6,465,038.06

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Solution

The fourth proportional to 11,971,663.65, 16,520,895.55 and 6,465,038.06 is: 8,921,752.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971,663.65 : 16,520,895.55 = 6,465,038.06 : x
  2. Step 2: Convert to fraction form
    11,971,663.65/16,520,895.55 = 6,465,038.06/x
  3. Step 3: Cross multiply
    11,971,663.65x = 16,520,895.55 × 6,465,038.06
  4. Step 4: Simplify right side
    11,971,663.65x = 106,808,218,401,104.95
  5. Step 5: Solve for x
    x = 106,808,218,401,104.95/11,971,663.65
  6. Step 6: Final answer
    x = 8,921,752.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.