Home / 13,262,121.16-18,300,680.34-7,459,747.72

Finding the Fourth Proportional to 13,262,121.16, 18,300,680.34 and 7,459,747.72

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Solution

The fourth proportional to 13,262,121.16, 18,300,680.34 and 7,459,747.72 is: 10,293,863.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262,121.16 : 18,300,680.34 = 7,459,747.72 : x
  2. Step 2: Convert to fraction form
    13,262,121.16/18,300,680.34 = 7,459,747.72/x
  3. Step 3: Cross multiply
    13,262,121.16x = 18,300,680.34 × 7,459,747.72
  4. Step 4: Simplify right side
    13,262,121.16x = 136,518,458,440,763.81
  5. Step 5: Solve for x
    x = 136,518,458,440,763.81/13,262,121.16
  6. Step 6: Final answer
    x = 10,293,863.01

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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.