Home / 56,169,618.40-84,254,427.60-13,619,346.40

Finding the Fourth Proportional to 56,169,618.40, 84,254,427.60 and 13,619,346.40

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Solution

The fourth proportional to 56,169,618.40, 84,254,427.60 and 13,619,346.40 is: 20,429,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,169,618.40 : 84,254,427.60 = 13,619,346.40 : x
  2. Step 2: Convert to fraction form
    56,169,618.40/84,254,427.60 = 13,619,346.40/x
  3. Step 3: Cross multiply
    56,169,618.40x = 84,254,427.60 × 13,619,346.40
  4. Step 4: Simplify right side
    56,169,618.40x = 1,147,490,235,218,120.50
  5. Step 5: Solve for x
    x = 1,147,490,235,218,120.50/56,169,618.40
  6. Step 6: Final answer
    x = 20,429,019.60

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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.