Home / 18,544,061.40-27,816,092.10-12,875,357.40

Finding the Fourth Proportional to 18,544,061.40, 27,816,092.10 and 12,875,357.40

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Solution

The fourth proportional to 18,544,061.40, 27,816,092.10 and 12,875,357.40 is: 19,313,036.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,544,061.40 : 27,816,092.10 = 12,875,357.40 : x
  2. Step 2: Convert to fraction form
    18,544,061.40/27,816,092.10 = 12,875,357.40/x
  3. Step 3: Cross multiply
    18,544,061.40x = 27,816,092.10 × 12,875,357.40
  4. Step 4: Simplify right side
    18,544,061.40x = 358,142,127,258,816.56
  5. Step 5: Solve for x
    x = 358,142,127,258,816.56/18,544,061.40
  6. Step 6: Final answer
    x = 19,313,036.10

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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.