Home / 10,530,055.52-14,528,977.20-6,400,014.56

Finding the Fourth Proportional to 10,530,055.52, 14,528,977.20 and 6,400,014.56

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Solution

The fourth proportional to 10,530,055.52, 14,528,977.20 and 6,400,014.56 is: 8,830,500.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530,055.52 : 14,528,977.20 = 6,400,014.56 : x
  2. Step 2: Convert to fraction form
    10,530,055.52/14,528,977.20 = 6,400,014.56/x
  3. Step 3: Cross multiply
    10,530,055.52x = 14,528,977.20 × 6,400,014.56
  4. Step 4: Simplify right side
    10,530,055.52x = 92,985,665,621,908.02
  5. Step 5: Solve for x
    x = 92,985,665,621,908.02/10,530,055.52
  6. Step 6: Final answer
    x = 8,830,500.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.