Home / 13,587,213.16-18,750,538.90-7,392,333.87

Finding the Fourth Proportional to 13,587,213.16, 18,750,538.90 and 7,392,333.87

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Solution

The fourth proportional to 13,587,213.16, 18,750,538.90 and 7,392,333.87 is: 10,201,521.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587,213.16 : 18,750,538.90 = 7,392,333.87 : x
  2. Step 2: Convert to fraction form
    13,587,213.16/18,750,538.90 = 7,392,333.87/x
  3. Step 3: Cross multiply
    13,587,213.16x = 18,750,538.90 × 7,392,333.87
  4. Step 4: Simplify right side
    13,587,213.16x = 138,610,243,791,222.53
  5. Step 5: Solve for x
    x = 138,610,243,791,222.53/13,587,213.16
  6. Step 6: Final answer
    x = 10,201,521.25

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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.