Home / 13,918,734.30-19,207,348.65-7,724,051.40

Finding the Fourth Proportional to 13,918,734.30, 19,207,348.65 and 7,724,051.40

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Solution

The fourth proportional to 13,918,734.30, 19,207,348.65 and 7,724,051.40 is: 10,658,910.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918,734.30 : 19,207,348.65 = 7,724,051.40 : x
  2. Step 2: Convert to fraction form
    13,918,734.30/19,207,348.65 = 7,724,051.40/x
  3. Step 3: Cross multiply
    13,918,734.30x = 19,207,348.65 × 7,724,051.40
  4. Step 4: Simplify right side
    13,918,734.30x = 148,358,548,230,320.59
  5. Step 5: Solve for x
    x = 148,358,548,230,320.59/13,918,734.30
  6. Step 6: Final answer
    x = 10,658,910.86

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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.