Home / 13,345,263.12-18,412,930.91-7,836,877.16

Finding the Fourth Proportional to 13,345,263.12, 18,412,930.91 and 7,836,877.16

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Solution

The fourth proportional to 13,345,263.12, 18,412,930.91 and 7,836,877.16 is: 10,812,816.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345,263.12 : 18,412,930.91 = 7,836,877.16 : x
  2. Step 2: Convert to fraction form
    13,345,263.12/18,412,930.91 = 7,836,877.16/x
  3. Step 3: Cross multiply
    13,345,263.12x = 18,412,930.91 × 7,836,877.16
  4. Step 4: Simplify right side
    13,345,263.12x = 144,299,877,697,237.03
  5. Step 5: Solve for x
    x = 144,299,877,697,237.03/13,345,263.12
  6. Step 6: Final answer
    x = 10,812,816.23

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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.