Home / 7,130,001.90-10,690,279.65-3,936,657.90

Finding the Fourth Proportional to 7,130,001.90, 10,690,279.65 and 3,936,657.90

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Solution

The fourth proportional to 7,130,001.90, 10,690,279.65 and 3,936,657.90 is: 5,902,379.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130,001.90 : 10,690,279.65 = 3,936,657.90 : x
  2. Step 2: Convert to fraction form
    7,130,001.90/10,690,279.65 = 3,936,657.90/x
  3. Step 3: Cross multiply
    7,130,001.90x = 10,690,279.65 × 3,936,657.90
  4. Step 4: Simplify right side
    7,130,001.90x = 42,083,973,837,381.73
  5. Step 5: Solve for x
    x = 42,083,973,837,381.73/7,130,001.90
  6. Step 6: Final answer
    x = 5,902,379.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.