Home / 10,421,513.34-15,621,925.50-4,947,014.94

Finding the Fourth Proportional to 10,421,513.34, 15,621,925.50 and 4,947,014.94

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Solution

The fourth proportional to 10,421,513.34, 15,621,925.50 and 4,947,014.94 is: 7,415,611.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,421,513.34 : 15,621,925.50 = 4,947,014.94 : x
  2. Step 2: Convert to fraction form
    10,421,513.34/15,621,925.50 = 4,947,014.94/x
  3. Step 3: Cross multiply
    10,421,513.34x = 15,621,925.50 × 4,947,014.94
  4. Step 4: Simplify right side
    10,421,513.34x = 77,281,898,840,066.97
  5. Step 5: Solve for x
    x = 77,281,898,840,066.97/10,421,513.34
  6. Step 6: Final answer
    x = 7,415,611.95

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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.