Home / 25,116,419.20-37,674,628.80-12,985,859.20

Finding the Fourth Proportional to 25,116,419.20, 37,674,628.80 and 12,985,859.20

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Solution

The fourth proportional to 25,116,419.20, 37,674,628.80 and 12,985,859.20 is: 19,478,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,116,419.20 : 37,674,628.80 = 12,985,859.20 : x
  2. Step 2: Convert to fraction form
    25,116,419.20/37,674,628.80 = 12,985,859.20/x
  3. Step 3: Cross multiply
    25,116,419.20x = 37,674,628.80 × 12,985,859.20
  4. Step 4: Simplify right side
    25,116,419.20x = 489,237,425,009,064.88
  5. Step 5: Solve for x
    x = 489,237,425,009,064.88/25,116,419.20
  6. Step 6: Final answer
    x = 19,478,788.80

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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.