Home / 8,979,895.19-12,392,266.59-5,112,416.27

Finding the Fourth Proportional to 8,979,895.19, 12,392,266.59 and 5,112,416.27

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Solution

The fourth proportional to 8,979,895.19, 12,392,266.59 and 5,112,416.27 is: 7,055,140.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979,895.19 : 12,392,266.59 = 5,112,416.27 : x
  2. Step 2: Convert to fraction form
    8,979,895.19/12,392,266.59 = 5,112,416.27/x
  3. Step 3: Cross multiply
    8,979,895.19x = 12,392,266.59 × 5,112,416.27
  4. Step 4: Simplify right side
    8,979,895.19x = 63,354,425,274,932.08
  5. Step 5: Solve for x
    x = 63,354,425,274,932.08/8,979,895.19
  6. Step 6: Final answer
    x = 7,055,140.84

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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.