Home / 8,979,895.94-12,392,267.63-5,112,417.02

Finding the Fourth Proportional to 8,979,895.94, 12,392,267.63 and 5,112,417.02

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Solution

The fourth proportional to 8,979,895.94, 12,392,267.63 and 5,112,417.02 is: 7,055,141.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979,895.94 : 12,392,267.63 = 5,112,417.02 : x
  2. Step 2: Convert to fraction form
    8,979,895.94/12,392,267.63 = 5,112,417.02/x
  3. Step 3: Cross multiply
    8,979,895.94x = 12,392,267.63 × 5,112,417.02
  4. Step 4: Simplify right side
    8,979,895.94x = 63,354,439,860,483.63
  5. Step 5: Solve for x
    x = 63,354,439,860,483.63/8,979,895.94
  6. Step 6: Final answer
    x = 7,055,141.88

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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.