Home / 13,228,312.58-18,254,454.36-7,348,327.88

Finding the Fourth Proportional to 13,228,312.58, 18,254,454.36 and 7,348,327.88

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Solution

The fourth proportional to 13,228,312.58, 18,254,454.36 and 7,348,327.88 is: 10,140,349.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228,312.58 : 18,254,454.36 = 7,348,327.88 : x
  2. Step 2: Convert to fraction form
    13,228,312.58/18,254,454.36 = 7,348,327.88/x
  3. Step 3: Cross multiply
    13,228,312.58x = 18,254,454.36 × 7,348,327.88
  4. Step 4: Simplify right side
    13,228,312.58x = 134,139,715,816,503.28
  5. Step 5: Solve for x
    x = 134,139,715,816,503.28/13,228,312.58
  6. Step 6: Final answer
    x = 10,140,349.73

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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.