Home / 12,953,160.16-17,875,426.08-7,151,953.12

Finding the Fourth Proportional to 12,953,160.16, 17,875,426.08 and 7,151,953.12

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Solution

The fourth proportional to 12,953,160.16, 17,875,426.08 and 7,151,953.12 is: 9,869,731.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,953,160.16 : 17,875,426.08 = 7,151,953.12 : x
  2. Step 2: Convert to fraction form
    12,953,160.16/17,875,426.08 = 7,151,953.12/x
  3. Step 3: Cross multiply
    12,953,160.16x = 17,875,426.08 × 7,151,953.12
  4. Step 4: Simplify right side
    12,953,160.16x = 127,844,209,324,185.36
  5. Step 5: Solve for x
    x = 127,844,209,324,185.36/12,953,160.16
  6. Step 6: Final answer
    x = 9,869,731.23

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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.