Home / 18,477,140.96-25,485,802.80-12,047,322.08

Finding the Fourth Proportional to 18,477,140.96, 25,485,802.80 and 12,047,322.08

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Solution

The fourth proportional to 18,477,140.96, 25,485,802.80 and 12,047,322.08 is: 16,617,055.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477,140.96 : 25,485,802.80 = 12,047,322.08 : x
  2. Step 2: Convert to fraction form
    18,477,140.96/25,485,802.80 = 12,047,322.08/x
  3. Step 3: Cross multiply
    18,477,140.96x = 25,485,802.80 × 12,047,322.08
  4. Step 4: Simplify right side
    18,477,140.96x = 307,035,674,798,965.81
  5. Step 5: Solve for x
    x = 307,035,674,798,965.81/18,477,140.96
  6. Step 6: Final answer
    x = 16,617,055.39

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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.