Home / 12,471,525.60-18,713,509.20-7,084,312.80

Finding the Fourth Proportional to 12,471,525.60, 18,713,509.20 and 7,084,312.80

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Solution

The fourth proportional to 12,471,525.60, 18,713,509.20 and 7,084,312.80 is: 10,630,002.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471,525.60 : 18,713,509.20 = 7,084,312.80 : x
  2. Step 2: Convert to fraction form
    12,471,525.60/18,713,509.20 = 7,084,312.80/x
  3. Step 3: Cross multiply
    12,471,525.60x = 18,713,509.20 × 7,084,312.80
  4. Step 4: Simplify right side
    12,471,525.60x = 132,572,352,758,477.75
  5. Step 5: Solve for x
    x = 132,572,352,758,477.75/12,471,525.60
  6. Step 6: Final answer
    x = 10,630,002.86

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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.