Home / 13,930,734.48-19,223,358.93-7,817,982

Finding the Fourth Proportional to 13,930,734.48, 19,223,358.93 and 7,817,982

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Solution

The fourth proportional to 13,930,734.48, 19,223,358.93 and 7,817,982 is: 10,788,223.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930,734.48 : 19,223,358.93 = 7,817,982 : x
  2. Step 2: Convert to fraction form
    13,930,734.48/19,223,358.93 = 7,817,982/x
  3. Step 3: Cross multiply
    13,930,734.48x = 19,223,358.93 × 7,817,982
  4. Step 4: Simplify right side
    13,930,734.48x = 150,287,874,094,279.25
  5. Step 5: Solve for x
    x = 150,287,874,094,279.25/13,930,734.48
  6. Step 6: Final answer
    x = 10,788,223.28

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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.