Home / 13,341,955.30-18,411,914.04-7,230,383.80

Finding the Fourth Proportional to 13,341,955.30, 18,411,914.04 and 7,230,383.80

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Solution

The fourth proportional to 13,341,955.30, 18,411,914.04 and 7,230,383.80 is: 9,977,938.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341,955.30 : 18,411,914.04 = 7,230,383.80 : x
  2. Step 2: Convert to fraction form
    13,341,955.30/18,411,914.04 = 7,230,383.80/x
  3. Step 3: Cross multiply
    13,341,955.30x = 18,411,914.04 × 7,230,383.80
  4. Step 4: Simplify right side
    13,341,955.30x = 133,125,205,001,808.55
  5. Step 5: Solve for x
    x = 133,125,205,001,808.55/13,341,955.30
  6. Step 6: Final answer
    x = 9,977,938.17

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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.