Home / 12,937,574.80-17,853,977.76-7,136,601.04

Finding the Fourth Proportional to 12,937,574.80, 17,853,977.76 and 7,136,601.04

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Solution

The fourth proportional to 12,937,574.80, 17,853,977.76 and 7,136,601.04 is: 9,848,578.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937,574.80 : 17,853,977.76 = 7,136,601.04 : x
  2. Step 2: Convert to fraction form
    12,937,574.80/17,853,977.76 = 7,136,601.04/x
  3. Step 3: Cross multiply
    12,937,574.80x = 17,853,977.76 × 7,136,601.04
  4. Step 4: Simplify right side
    12,937,574.80x = 127,416,716,250,152.88
  5. Step 5: Solve for x
    x = 127,416,716,250,152.88/12,937,574.80
  6. Step 6: Final answer
    x = 9,848,578.13

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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.