Home / 14,103,999.70-21,155,999.55-13,253,694.10

Finding the Fourth Proportional to 14,103,999.70, 21,155,999.55 and 13,253,694.10

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Solution

The fourth proportional to 14,103,999.70, 21,155,999.55 and 13,253,694.10 is: 19,880,541.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103,999.70 : 21,155,999.55 = 13,253,694.10 : x
  2. Step 2: Convert to fraction form
    14,103,999.70/21,155,999.55 = 13,253,694.10/x
  3. Step 3: Cross multiply
    14,103,999.70x = 21,155,999.55 × 13,253,694.10
  4. Step 4: Simplify right side
    14,103,999.70x = 280,395,146,415,437.66
  5. Step 5: Solve for x
    x = 280,395,146,415,437.66/14,103,999.70
  6. Step 6: Final answer
    x = 19,880,541.15

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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.