Home / 7,885,365.60-11,826,264-3,621,434.88

Finding the Fourth Proportional to 7,885,365.60, 11,826,264 and 3,621,434.88

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Solution

The fourth proportional to 7,885,365.60, 11,826,264 and 3,621,434.88 is: 5,431,332.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885,365.60 : 11,826,264 = 3,621,434.88 : x
  2. Step 2: Convert to fraction form
    7,885,365.60/11,826,264 = 3,621,434.88/x
  3. Step 3: Cross multiply
    7,885,365.60x = 11,826,264 × 3,621,434.88
  4. Step 4: Simplify right side
    7,885,365.60x = 42,828,044,949,688.32
  5. Step 5: Solve for x
    x = 42,828,044,949,688.32/7,885,365.60
  6. Step 6: Final answer
    x = 5,431,332.82

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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.