Home / 12,361,382.60-18,549,947.10-7,243,802.60

Finding the Fourth Proportional to 12,361,382.60, 18,549,947.10 and 7,243,802.60

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Solution

The fourth proportional to 12,361,382.60, 18,549,947.10 and 7,243,802.60 is: 10,870,317.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,361,382.60 : 18,549,947.10 = 7,243,802.60 : x
  2. Step 2: Convert to fraction form
    12,361,382.60/18,549,947.10 = 7,243,802.60/x
  3. Step 3: Cross multiply
    12,361,382.60x = 18,549,947.10 × 7,243,802.60
  4. Step 4: Simplify right side
    12,361,382.60x = 134,372,155,032,842.47
  5. Step 5: Solve for x
    x = 134,372,155,032,842.47/12,361,382.60
  6. Step 6: Final answer
    x = 10,870,317.62

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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.