Home / 13,457,322.05-18,570,867.48-7,655,980.14

Finding the Fourth Proportional to 13,457,322.05, 18,570,867.48 and 7,655,980.14

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Solution

The fourth proportional to 13,457,322.05, 18,570,867.48 and 7,655,980.14 is: 10,565,117.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457,322.05 : 18,570,867.48 = 7,655,980.14 : x
  2. Step 2: Convert to fraction form
    13,457,322.05/18,570,867.48 = 7,655,980.14/x
  3. Step 3: Cross multiply
    13,457,322.05x = 18,570,867.48 × 7,655,980.14
  4. Step 4: Simplify right side
    13,457,322.05x = 142,178,192,617,599.12
  5. Step 5: Solve for x
    x = 142,178,192,617,599.12/13,457,322.05
  6. Step 6: Final answer
    x = 10,565,117.79

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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.