Home / 13,637,581.68-18,820,314.36-7,442,966.64

Finding the Fourth Proportional to 13,637,581.68, 18,820,314.36 and 7,442,966.64

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Solution

The fourth proportional to 13,637,581.68, 18,820,314.36 and 7,442,966.64 is: 10,271,540.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637,581.68 : 18,820,314.36 = 7,442,966.64 : x
  2. Step 2: Convert to fraction form
    13,637,581.68/18,820,314.36 = 7,442,966.64/x
  3. Step 3: Cross multiply
    13,637,581.68x = 18,820,314.36 × 7,442,966.64
  4. Step 4: Simplify right side
    13,637,581.68x = 140,078,971,935,792.94
  5. Step 5: Solve for x
    x = 140,078,971,935,792.94/13,637,581.68
  6. Step 6: Final answer
    x = 10,271,540.46

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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.