Home / 10,915,031.30-16,362,049.35-8,484,836.90

Finding the Fourth Proportional to 10,915,031.30, 16,362,049.35 and 8,484,836.90

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Solution

The fourth proportional to 10,915,031.30, 16,362,049.35 and 8,484,836.90 is: 12,719,095.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915,031.30 : 16,362,049.35 = 8,484,836.90 : x
  2. Step 2: Convert to fraction form
    10,915,031.30/16,362,049.35 = 8,484,836.90/x
  3. Step 3: Cross multiply
    10,915,031.30x = 16,362,049.35 × 8,484,836.90
  4. Step 4: Simplify right side
    10,915,031.30x = 138,829,320,084,501.02
  5. Step 5: Solve for x
    x = 138,829,320,084,501.02/10,915,031.30
  6. Step 6: Final answer
    x = 12,719,095.00

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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.