Home / 14,342,810.57-19,792,501.15-7,816,299.90

Finding the Fourth Proportional to 14,342,810.57, 19,792,501.15 and 7,816,299.90

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Solution

The fourth proportional to 14,342,810.57, 19,792,501.15 and 7,816,299.90 is: 10,786,179.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342,810.57 : 19,792,501.15 = 7,816,299.90 : x
  2. Step 2: Convert to fraction form
    14,342,810.57/19,792,501.15 = 7,816,299.90/x
  3. Step 3: Cross multiply
    14,342,810.57x = 19,792,501.15 × 7,816,299.90
  4. Step 4: Simplify right side
    14,342,810.57x = 154,704,124,680,387.81
  5. Step 5: Solve for x
    x = 154,704,124,680,387.81/14,342,810.57
  6. Step 6: Final answer
    x = 10,786,179.18

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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.