Home / 13,168,377.16-18,173,066.44-7,366,812.90

Finding the Fourth Proportional to 13,168,377.16, 18,173,066.44 and 7,366,812.90

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Solution

The fourth proportional to 13,168,377.16, 18,173,066.44 and 7,366,812.90 is: 10,166,596.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168,377.16 : 18,173,066.44 = 7,366,812.90 : x
  2. Step 2: Convert to fraction form
    13,168,377.16/18,173,066.44 = 7,366,812.90/x
  3. Step 3: Cross multiply
    13,168,377.16x = 18,173,066.44 × 7,366,812.90
  4. Step 4: Simplify right side
    13,168,377.16x = 133,877,580,282,749.09
  5. Step 5: Solve for x
    x = 133,877,580,282,749.09/13,168,377.16
  6. Step 6: Final answer
    x = 10,166,596.74

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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.