Home / 13,009,958.70-17,953,725.48-7,209,116.16

Finding the Fourth Proportional to 13,009,958.70, 17,953,725.48 and 7,209,116.16

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Solution

The fourth proportional to 13,009,958.70, 17,953,725.48 and 7,209,116.16 is: 9,948,570.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009,958.70 : 17,953,725.48 = 7,209,116.16 : x
  2. Step 2: Convert to fraction form
    13,009,958.70/17,953,725.48 = 7,209,116.16/x
  3. Step 3: Cross multiply
    13,009,958.70x = 17,953,725.48 × 7,209,116.16
  4. Step 4: Simplify right side
    13,009,958.70x = 129,430,492,490,071.77
  5. Step 5: Solve for x
    x = 129,430,492,490,071.77/13,009,958.70
  6. Step 6: Final answer
    x = 9,948,570.59

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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.