Home / 25,470,564.60-38,205,846.90-12,715,980.60

Finding the Fourth Proportional to 25,470,564.60, 38,205,846.90 and 12,715,980.60

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Solution

The fourth proportional to 25,470,564.60, 38,205,846.90 and 12,715,980.60 is: 19,073,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,470,564.60 : 38,205,846.90 = 12,715,980.60 : x
  2. Step 2: Convert to fraction form
    25,470,564.60/38,205,846.90 = 12,715,980.60/x
  3. Step 3: Cross multiply
    25,470,564.60x = 38,205,846.90 × 12,715,980.60
  4. Step 4: Simplify right side
    25,470,564.60x = 485,824,807,986,970.12
  5. Step 5: Solve for x
    x = 485,824,807,986,970.12/25,470,564.60
  6. Step 6: Final answer
    x = 19,073,970.90

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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.