Home / 15,999,904.20-23,980,669.20-8,210,808.12

Finding the Fourth Proportional to 15,999,904.20, 23,980,669.20 and 8,210,808.12

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Solution

The fourth proportional to 15,999,904.20, 23,980,669.20 and 8,210,808.12 is: 12,306,365.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999,904.20 : 23,980,669.20 = 8,210,808.12 : x
  2. Step 2: Convert to fraction form
    15,999,904.20/23,980,669.20 = 8,210,808.12/x
  3. Step 3: Cross multiply
    15,999,904.20x = 23,980,669.20 × 8,210,808.12
  4. Step 4: Simplify right side
    15,999,904.20x = 196,900,673,390,393.91
  5. Step 5: Solve for x
    x = 196,900,673,390,393.91/15,999,904.20
  6. Step 6: Final answer
    x = 12,306,365.77

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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.