Home / 13,130,644.83-18,117,098.59-7,697,087.07

Finding the Fourth Proportional to 13,130,644.83, 18,117,098.59 and 7,697,087.07

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Solution

The fourth proportional to 13,130,644.83, 18,117,098.59 and 7,697,087.07 is: 10,620,109.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,130,644.83 : 18,117,098.59 = 7,697,087.07 : x
  2. Step 2: Convert to fraction form
    13,130,644.83/18,117,098.59 = 7,697,087.07/x
  3. Step 3: Cross multiply
    13,130,644.83x = 18,117,098.59 × 7,697,087.07
  4. Step 4: Simplify right side
    13,130,644.83x = 139,448,885,303,004.23
  5. Step 5: Solve for x
    x = 139,448,885,303,004.23/13,130,644.83
  6. Step 6: Final answer
    x = 10,620,109.45

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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.