Home / 12,283,477.60-18,425,216.40-8,693,298.40

Finding the Fourth Proportional to 12,283,477.60, 18,425,216.40 and 8,693,298.40

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Solution

The fourth proportional to 12,283,477.60, 18,425,216.40 and 8,693,298.40 is: 13,039,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283,477.60 : 18,425,216.40 = 8,693,298.40 : x
  2. Step 2: Convert to fraction form
    12,283,477.60/18,425,216.40 = 8,693,298.40/x
  3. Step 3: Cross multiply
    12,283,477.60x = 18,425,216.40 × 8,693,298.40
  4. Step 4: Simplify right side
    12,283,477.60x = 160,175,904,249,773.75
  5. Step 5: Solve for x
    x = 160,175,904,249,773.75/12,283,477.60
  6. Step 6: Final answer
    x = 13,039,947.60

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Similar ratio
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1.5x scale

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.