Home / 13,254,056.88-19,878,752.04-3,538,790.40

Finding the Fourth Proportional to 13,254,056.88, 19,878,752.04 and 3,538,790.40

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Solution

The fourth proportional to 13,254,056.88, 19,878,752.04 and 3,538,790.40 is: 5,307,562.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254,056.88 : 19,878,752.04 = 3,538,790.40 : x
  2. Step 2: Convert to fraction form
    13,254,056.88/19,878,752.04 = 3,538,790.40/x
  3. Step 3: Cross multiply
    13,254,056.88x = 19,878,752.04 × 3,538,790.40
  4. Step 4: Simplify right side
    13,254,056.88x = 70,346,736,883,132.41
  5. Step 5: Solve for x
    x = 70,346,736,883,132.41/13,254,056.88
  6. Step 6: Final answer
    x = 5,307,562.62

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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.