Home / 12,108,645.28-16,710,043.28-6,676,330.40

Finding the Fourth Proportional to 12,108,645.28, 16,710,043.28 and 6,676,330.40

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Solution

The fourth proportional to 12,108,645.28, 16,710,043.28 and 6,676,330.40 is: 9,213,398.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108,645.28 : 16,710,043.28 = 6,676,330.40 : x
  2. Step 2: Convert to fraction form
    12,108,645.28/16,710,043.28 = 6,676,330.40/x
  3. Step 3: Cross multiply
    12,108,645.28x = 16,710,043.28 × 6,676,330.40
  4. Step 4: Simplify right side
    12,108,645.28x = 111,561,769,935,579.72
  5. Step 5: Solve for x
    x = 111,561,769,935,579.72/12,108,645.28
  6. Step 6: Final answer
    x = 9,213,398.14

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1.5x scale

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.