Home / 18,209,186.51-27,310,236.36-5,254,426.40

Finding the Fourth Proportional to 18,209,186.51, 27,310,236.36 and 5,254,426.40

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Solution

The fourth proportional to 18,209,186.51, 27,310,236.36 and 5,254,426.40 is: 7,880,617.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209,186.51 : 27,310,236.36 = 5,254,426.40 : x
  2. Step 2: Convert to fraction form
    18,209,186.51/27,310,236.36 = 5,254,426.40/x
  3. Step 3: Cross multiply
    18,209,186.51x = 27,310,236.36 × 5,254,426.40
  4. Step 4: Simplify right side
    18,209,186.51x = 143,499,626,920,223.91
  5. Step 5: Solve for x
    x = 143,499,626,920,223.91/18,209,186.51
  6. Step 6: Final answer
    x = 7,880,617.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.