Home / 25,878,666.40-38,831,996.40-10,734,128.80

Finding the Fourth Proportional to 25,878,666.40, 38,831,996.40 and 10,734,128.80

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Solution

The fourth proportional to 25,878,666.40, 38,831,996.40 and 10,734,128.80 is: 16,106,998.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,878,666.40 : 38,831,996.40 = 10,734,128.80 : x
  2. Step 2: Convert to fraction form
    25,878,666.40/38,831,996.40 = 10,734,128.80/x
  3. Step 3: Cross multiply
    25,878,666.40x = 38,831,996.40 × 10,734,128.80
  4. Step 4: Simplify right side
    25,878,666.40x = 416,827,650,918,736.31
  5. Step 5: Solve for x
    x = 416,827,650,918,736.31/25,878,666.40
  6. Step 6: Final answer
    x = 16,106,998.89

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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.