Home / 13,785,786.90-20,679,457.95-4,201,478.10

Finding the Fourth Proportional to 13,785,786.90, 20,679,457.95 and 4,201,478.10

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Solution

The fourth proportional to 13,785,786.90, 20,679,457.95 and 4,201,478.10 is: 6,302,454.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785,786.90 : 20,679,457.95 = 4,201,478.10 : x
  2. Step 2: Convert to fraction form
    13,785,786.90/20,679,457.95 = 4,201,478.10/x
  3. Step 3: Cross multiply
    13,785,786.90x = 20,679,457.95 × 4,201,478.10
  4. Step 4: Simplify right side
    13,785,786.90x = 86,884,289,696,795.89
  5. Step 5: Solve for x
    x = 86,884,289,696,795.89/13,785,786.90
  6. Step 6: Final answer
    x = 6,302,454.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.