Home / 15,700,279.72-23,550,400.62-4,918,420.36

Finding the Fourth Proportional to 15,700,279.72, 23,550,400.62 and 4,918,420.36

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Solution

The fourth proportional to 15,700,279.72, 23,550,400.62 and 4,918,420.36 is: 7,377,624.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,700,279.72 : 23,550,400.62 = 4,918,420.36 : x
  2. Step 2: Convert to fraction form
    15,700,279.72/23,550,400.62 = 4,918,420.36/x
  3. Step 3: Cross multiply
    15,700,279.72x = 23,550,400.62 × 4,918,420.36
  4. Step 4: Simplify right side
    15,700,279.72x = 115,830,769,895,564.64
  5. Step 5: Solve for x
    x = 115,830,769,895,564.64/15,700,279.72
  6. Step 6: Final answer
    x = 7,377,624.60

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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.