Home / 8,911,031.09-13,369,425.28-4,121,861.95

Finding the Fourth Proportional to 8,911,031.09, 13,369,425.28 and 4,121,861.95

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Solution

The fourth proportional to 8,911,031.09, 13,369,425.28 and 4,121,861.95 is: 6,184,124.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911,031.09 : 13,369,425.28 = 4,121,861.95 : x
  2. Step 2: Convert to fraction form
    8,911,031.09/13,369,425.28 = 4,121,861.95/x
  3. Step 3: Cross multiply
    8,911,031.09x = 13,369,425.28 × 4,121,861.95
  4. Step 4: Simplify right side
    8,911,031.09x = 55,106,925,355,000.09
  5. Step 5: Solve for x
    x = 55,106,925,355,000.09/8,911,031.09
  6. Step 6: Final answer
    x = 6,184,124.46

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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.