Home / 15,630,315.12-23,417,128.80-15,290,192.88

Finding the Fourth Proportional to 15,630,315.12, 23,417,128.80 and 15,290,192.88

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Solution

The fourth proportional to 15,630,315.12, 23,417,128.80 and 15,290,192.88 is: 22,907,562.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,630,315.12 : 23,417,128.80 = 15,290,192.88 : x
  2. Step 2: Convert to fraction form
    15,630,315.12/23,417,128.80 = 15,290,192.88/x
  3. Step 3: Cross multiply
    15,630,315.12x = 23,417,128.80 × 15,290,192.88
  4. Step 4: Simplify right side
    15,630,315.12x = 358,052,416,047,803
  5. Step 5: Solve for x
    x = 358,052,416,047,803/15,630,315.12
  6. Step 6: Final answer
    x = 22,907,562.21

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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.