Home / 7,232,089.49-9,979,623.81-4,291,399.76

Finding the Fourth Proportional to 7,232,089.49, 9,979,623.81 and 4,291,399.76

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Solution

The fourth proportional to 7,232,089.49, 9,979,623.81 and 4,291,399.76 is: 5,921,740.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,232,089.49 : 9,979,623.81 = 4,291,399.76 : x
  2. Step 2: Convert to fraction form
    7,232,089.49/9,979,623.81 = 4,291,399.76/x
  3. Step 3: Cross multiply
    7,232,089.49x = 9,979,623.81 × 4,291,399.76
  4. Step 4: Simplify right side
    7,232,089.49x = 42,826,555,223,124.29
  5. Step 5: Solve for x
    x = 42,826,555,223,124.29/7,232,089.49
  6. Step 6: Final answer
    x = 5,921,740.22

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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.