Home / 18,759,069.84-25,888,325.40-10,386,439.50

Finding the Fourth Proportional to 18,759,069.84, 25,888,325.40 and 10,386,439.50

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Solution

The fourth proportional to 18,759,069.84, 25,888,325.40 and 10,386,439.50 is: 14,333,734.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,759,069.84 : 25,888,325.40 = 10,386,439.50 : x
  2. Step 2: Convert to fraction form
    18,759,069.84/25,888,325.40 = 10,386,439.50/x
  3. Step 3: Cross multiply
    18,759,069.84x = 25,888,325.40 × 10,386,439.50
  4. Step 4: Simplify right side
    18,759,069.84x = 268,887,525,523,413.28
  5. Step 5: Solve for x
    x = 268,887,525,523,413.28/18,759,069.84
  6. Step 6: Final answer
    x = 14,333,734.45

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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.