Home / 10,365,419.58-15,551,117.73-3,178,014.18

Finding the Fourth Proportional to 10,365,419.58, 15,551,117.73 and 3,178,014.18

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Solution

The fourth proportional to 10,365,419.58, 15,551,117.73 and 3,178,014.18 is: 4,767,937.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365,419.58 : 15,551,117.73 = 3,178,014.18 : x
  2. Step 2: Convert to fraction form
    10,365,419.58/15,551,117.73 = 3,178,014.18/x
  3. Step 3: Cross multiply
    10,365,419.58x = 15,551,117.73 × 3,178,014.18
  4. Step 4: Simplify right side
    10,365,419.58x = 49,421,672,660,789.41
  5. Step 5: Solve for x
    x = 49,421,672,660,789.41/10,365,419.58
  6. Step 6: Final answer
    x = 4,767,937.49

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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.