Home / 25,909,333.80-38,864,000.70-7,958,437.80

Finding the Fourth Proportional to 25,909,333.80, 38,864,000.70 and 7,958,437.80

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Solution

The fourth proportional to 25,909,333.80, 38,864,000.70 and 7,958,437.80 is: 11,937,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,909,333.80 : 38,864,000.70 = 7,958,437.80 : x
  2. Step 2: Convert to fraction form
    25,909,333.80/38,864,000.70 = 7,958,437.80/x
  3. Step 3: Cross multiply
    25,909,333.80x = 38,864,000.70 × 7,958,437.80
  4. Step 4: Simplify right side
    25,909,333.80x = 309,296,732,230,106.50
  5. Step 5: Solve for x
    x = 309,296,732,230,106.50/25,909,333.80
  6. Step 6: Final answer
    x = 11,937,656.70

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1.5x scale

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.