Home / 13,366,612.94-18,445,431.93-7,254,910.22

Finding the Fourth Proportional to 13,366,612.94, 18,445,431.93 and 7,254,910.22

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Solution

The fourth proportional to 13,366,612.94, 18,445,431.93 and 7,254,910.22 is: 10,011,508.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366,612.94 : 18,445,431.93 = 7,254,910.22 : x
  2. Step 2: Convert to fraction form
    13,366,612.94/18,445,431.93 = 7,254,910.22/x
  3. Step 3: Cross multiply
    13,366,612.94x = 18,445,431.93 × 7,254,910.22
  4. Step 4: Simplify right side
    13,366,612.94x = 133,819,952,621,271.31
  5. Step 5: Solve for x
    x = 133,819,952,621,271.31/13,366,612.94
  6. Step 6: Final answer
    x = 10,011,508.02

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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.