Home / 12,130,151.40-18,195,227.10-3,154,703.40

Finding the Fourth Proportional to 12,130,151.40, 18,195,227.10 and 3,154,703.40

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Solution

The fourth proportional to 12,130,151.40, 18,195,227.10 and 3,154,703.40 is: 4,732,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130,151.40 : 18,195,227.10 = 3,154,703.40 : x
  2. Step 2: Convert to fraction form
    12,130,151.40/18,195,227.10 = 3,154,703.40/x
  3. Step 3: Cross multiply
    12,130,151.40x = 18,195,227.10 × 3,154,703.40
  4. Step 4: Simplify right side
    12,130,151.40x = 57,400,544,796,142.14
  5. Step 5: Solve for x
    x = 57,400,544,796,142.14/12,130,151.40
  6. Step 6: Final answer
    x = 4,732,055.10

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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.