Home / 19,688,981.81-27,170,795.61-10,868,435.38

Finding the Fourth Proportional to 19,688,981.81, 27,170,795.61 and 10,868,435.38

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Solution

The fourth proportional to 19,688,981.81, 27,170,795.61 and 10,868,435.38 is: 14,998,441.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688,981.81 : 27,170,795.61 = 10,868,435.38 : x
  2. Step 2: Convert to fraction form
    19,688,981.81/27,170,795.61 = 10,868,435.38/x
  3. Step 3: Cross multiply
    19,688,981.81x = 27,170,795.61 × 10,868,435.38
  4. Step 4: Simplify right side
    19,688,981.81x = 295,304,036,120,276.56
  5. Step 5: Solve for x
    x = 295,304,036,120,276.56/19,688,981.81
  6. Step 6: Final answer
    x = 14,998,441.21

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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.