Home / 13,585,217-18,748,088.95-7,785,119.66

Finding the Fourth Proportional to 13,585,217, 18,748,088.95 and 7,785,119.66

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Solution

The fourth proportional to 13,585,217, 18,748,088.95 and 7,785,119.66 is: 10,743,745.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585,217 : 18,748,088.95 = 7,785,119.66 : x
  2. Step 2: Convert to fraction form
    13,585,217/18,748,088.95 = 7,785,119.66/x
  3. Step 3: Cross multiply
    13,585,217x = 18,748,088.95 × 7,785,119.66
  4. Step 4: Simplify right side
    13,585,217x = 145,956,115,872,073.75
  5. Step 5: Solve for x
    x = 145,956,115,872,073.75/13,585,217
  6. Step 6: Final answer
    x = 10,743,745.64

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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.