Home / 14,339,413.80-19,788,140.88-7,813,097.28

Finding the Fourth Proportional to 14,339,413.80, 19,788,140.88 and 7,813,097.28

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Solution

The fourth proportional to 14,339,413.80, 19,788,140.88 and 7,813,097.28 is: 10,781,937.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339,413.80 : 19,788,140.88 = 7,813,097.28 : x
  2. Step 2: Convert to fraction form
    14,339,413.80/19,788,140.88 = 7,813,097.28/x
  3. Step 3: Cross multiply
    14,339,413.80x = 19,788,140.88 × 7,813,097.28
  4. Step 4: Simplify right side
    14,339,413.80x = 154,606,669,685,784.81
  5. Step 5: Solve for x
    x = 154,606,669,685,784.81/14,339,413.80
  6. Step 6: Final answer
    x = 10,781,937.94

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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.