Home / 13,118,146.16-18,102,994.29-7,316,923.32

Finding the Fourth Proportional to 13,118,146.16, 18,102,994.29 and 7,316,923.32

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Solution

The fourth proportional to 13,118,146.16, 18,102,994.29 and 7,316,923.32 is: 10,097,327.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118,146.16 : 18,102,994.29 = 7,316,923.32 : x
  2. Step 2: Convert to fraction form
    13,118,146.16/18,102,994.29 = 7,316,923.32/x
  3. Step 3: Cross multiply
    13,118,146.16x = 18,102,994.29 × 7,316,923.32
  4. Step 4: Simplify right side
    13,118,146.16x = 132,458,221,082,327.84
  5. Step 5: Solve for x
    x = 132,458,221,082,327.84/13,118,146.16
  6. Step 6: Final answer
    x = 10,097,327.74

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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.