Home / 13,228,312.08-18,254,453.67-7,348,327.38

Finding the Fourth Proportional to 13,228,312.08, 18,254,453.67 and 7,348,327.38

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Solution

The fourth proportional to 13,228,312.08, 18,254,453.67 and 7,348,327.38 is: 10,140,349.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228,312.08 : 18,254,453.67 = 7,348,327.38 : x
  2. Step 2: Convert to fraction form
    13,228,312.08/18,254,453.67 = 7,348,327.38/x
  3. Step 3: Cross multiply
    13,228,312.08x = 18,254,453.67 × 7,348,327.38
  4. Step 4: Simplify right side
    13,228,312.08x = 134,139,701,710,202.50
  5. Step 5: Solve for x
    x = 134,139,701,710,202.50/13,228,312.08
  6. Step 6: Final answer
    x = 10,140,349.04

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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.