Home / 10,429,458.75-15,651,129.65-4,286,478.15

Finding the Fourth Proportional to 10,429,458.75, 15,651,129.65 and 4,286,478.15

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Solution

The fourth proportional to 10,429,458.75, 15,651,129.65 and 4,286,478.15 is: 6,432,570.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,458.75 : 15,651,129.65 = 4,286,478.15 : x
  2. Step 2: Convert to fraction form
    10,429,458.75/15,651,129.65 = 4,286,478.15/x
  3. Step 3: Cross multiply
    10,429,458.75x = 15,651,129.65 × 4,286,478.15
  4. Step 4: Simplify right side
    10,429,458.75x = 67,088,225,246,109.76
  5. Step 5: Solve for x
    x = 67,088,225,246,109.76/10,429,458.75
  6. Step 6: Final answer
    x = 6,432,570.17

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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.