Home / 12,528,075.30-18,792,112.95-9,693,723.30

Finding the Fourth Proportional to 12,528,075.30, 18,792,112.95 and 9,693,723.30

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Solution

The fourth proportional to 12,528,075.30, 18,792,112.95 and 9,693,723.30 is: 14,540,584.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,075.30 : 18,792,112.95 = 9,693,723.30 : x
  2. Step 2: Convert to fraction form
    12,528,075.30/18,792,112.95 = 9,693,723.30/x
  3. Step 3: Cross multiply
    12,528,075.30x = 18,792,112.95 × 9,693,723.30
  4. Step 4: Simplify right side
    12,528,075.30x = 182,165,543,159,646.75
  5. Step 5: Solve for x
    x = 182,165,543,159,646.75/12,528,075.30
  6. Step 6: Final answer
    x = 14,540,584.95

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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.