Home / 12,466,763.60-18,700,145.40-8,425,187.60

Finding the Fourth Proportional to 12,466,763.60, 18,700,145.40 and 8,425,187.60

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Solution

The fourth proportional to 12,466,763.60, 18,700,145.40 and 8,425,187.60 is: 12,637,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,466,763.60 : 18,700,145.40 = 8,425,187.60 : x
  2. Step 2: Convert to fraction form
    12,466,763.60/18,700,145.40 = 8,425,187.60/x
  3. Step 3: Cross multiply
    12,466,763.60x = 18,700,145.40 × 8,425,187.60
  4. Step 4: Simplify right side
    12,466,763.60x = 157,552,233,142,277.03
  5. Step 5: Solve for x
    x = 157,552,233,142,277.03/12,466,763.60
  6. Step 6: Final answer
    x = 12,637,781.40

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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.