Home / 7,320,534.10-10,102,709.37-4,221,905.38

Finding the Fourth Proportional to 7,320,534.10, 10,102,709.37 and 4,221,905.38

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Solution

The fourth proportional to 7,320,534.10, 10,102,709.37 and 4,221,905.38 is: 5,826,444.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320,534.10 : 10,102,709.37 = 4,221,905.38 : x
  2. Step 2: Convert to fraction form
    7,320,534.10/10,102,709.37 = 4,221,905.38/x
  3. Step 3: Cross multiply
    7,320,534.10x = 10,102,709.37 × 4,221,905.38
  4. Step 4: Simplify right side
    7,320,534.10x = 42,652,683,041,779.41
  5. Step 5: Solve for x
    x = 42,652,683,041,779.41/7,320,534.10
  6. Step 6: Final answer
    x = 5,826,444.14

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1.5x scale

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.