Home / 38,880,649.20-58,320,973.80-25,344,188.40

Finding the Fourth Proportional to 38,880,649.20, 58,320,973.80 and 25,344,188.40

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Solution

The fourth proportional to 38,880,649.20, 58,320,973.80 and 25,344,188.40 is: 38,016,282.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,880,649.20 : 58,320,973.80 = 25,344,188.40 : x
  2. Step 2: Convert to fraction form
    38,880,649.20/58,320,973.80 = 25,344,188.40/x
  3. Step 3: Cross multiply
    38,880,649.20x = 58,320,973.80 × 25,344,188.40
  4. Step 4: Simplify right side
    38,880,649.20x = 1,478,097,747,658,663.75
  5. Step 5: Solve for x
    x = 1,478,097,747,658,663.75/38,880,649.20
  6. Step 6: Final answer
    x = 38,016,282.60

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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.