Home / 12,426,646.56-18,641,047.68-3,792,693.12

Finding the Fourth Proportional to 12,426,646.56, 18,641,047.68 and 3,792,693.12

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Solution

The fourth proportional to 12,426,646.56, 18,641,047.68 and 3,792,693.12 is: 5,689,368.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426,646.56 : 18,641,047.68 = 3,792,693.12 : x
  2. Step 2: Convert to fraction form
    12,426,646.56/18,641,047.68 = 3,792,693.12/x
  3. Step 3: Cross multiply
    12,426,646.56x = 18,641,047.68 × 3,792,693.12
  4. Step 4: Simplify right side
    12,426,646.56x = 70,699,773,285,527.97
  5. Step 5: Solve for x
    x = 70,699,773,285,527.97/12,426,646.56
  6. Step 6: Final answer
    x = 5,689,368.64

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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.