Home / 13,011,430.92-17,955,880.98-7,210,309.56

Finding the Fourth Proportional to 13,011,430.92, 17,955,880.98 and 7,210,309.56

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Solution

The fourth proportional to 13,011,430.92, 17,955,880.98 and 7,210,309.56 is: 9,950,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,430.92 : 17,955,880.98 = 7,210,309.56 : x
  2. Step 2: Convert to fraction form
    13,011,430.92/17,955,880.98 = 7,210,309.56/x
  3. Step 3: Cross multiply
    13,011,430.92x = 17,955,880.98 × 7,210,309.56
  4. Step 4: Simplify right side
    13,011,430.92x = 129,467,460,288,316.17
  5. Step 5: Solve for x
    x = 129,467,460,288,316.17/13,011,430.92
  6. Step 6: Final answer
    x = 9,950,286.10

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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.