Home / 26,073,985.20-39,110,783.40-7,878,145.20

Finding the Fourth Proportional to 26,073,985.20, 39,110,783.40 and 7,878,145.20

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Solution

The fourth proportional to 26,073,985.20, 39,110,783.40 and 7,878,145.20 is: 11,817,159.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,073,985.20 : 39,110,783.40 = 7,878,145.20 : x
  2. Step 2: Convert to fraction form
    26,073,985.20/39,110,783.40 = 7,878,145.20/x
  3. Step 3: Cross multiply
    26,073,985.20x = 39,110,783.40 × 7,878,145.20
  4. Step 4: Simplify right side
    26,073,985.20x = 308,120,430,510,949.69
  5. Step 5: Solve for x
    x = 308,120,430,510,949.69/26,073,985.20
  6. Step 6: Final answer
    x = 11,817,159.06

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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.