Home / 13,011,615.60-19,517,423.40-3,555,999.60

Finding the Fourth Proportional to 13,011,615.60, 19,517,423.40 and 3,555,999.60

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Solution

The fourth proportional to 13,011,615.60, 19,517,423.40 and 3,555,999.60 is: 5,333,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,615.60 : 19,517,423.40 = 3,555,999.60 : x
  2. Step 2: Convert to fraction form
    13,011,615.60/19,517,423.40 = 3,555,999.60/x
  3. Step 3: Cross multiply
    13,011,615.60x = 19,517,423.40 × 3,555,999.60
  4. Step 4: Simplify right side
    13,011,615.60x = 69,403,949,803,430.63
  5. Step 5: Solve for x
    x = 69,403,949,803,430.63/13,011,615.60
  6. Step 6: Final answer
    x = 5,333,999.40

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Similar ratio
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1.5x scale

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.