Home / 12,878,139.60-19,317,209.40-3,294,268.20

Finding the Fourth Proportional to 12,878,139.60, 19,317,209.40 and 3,294,268.20

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Solution

The fourth proportional to 12,878,139.60, 19,317,209.40 and 3,294,268.20 is: 4,941,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,878,139.60 : 19,317,209.40 = 3,294,268.20 : x
  2. Step 2: Convert to fraction form
    12,878,139.60/19,317,209.40 = 3,294,268.20/x
  3. Step 3: Cross multiply
    12,878,139.60x = 19,317,209.40 × 3,294,268.20
  4. Step 4: Simplify right side
    12,878,139.60x = 63,636,068,639,161.08
  5. Step 5: Solve for x
    x = 63,636,068,639,161.08/12,878,139.60
  6. Step 6: Final answer
    x = 4,941,402.30

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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.