Home / 13,270,968.28-18,312,768.65-7,390,158.08

Finding the Fourth Proportional to 13,270,968.28, 18,312,768.65 and 7,390,158.08

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Solution

The fourth proportional to 13,270,968.28, 18,312,768.65 and 7,390,158.08 is: 10,197,767.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270,968.28 : 18,312,768.65 = 7,390,158.08 : x
  2. Step 2: Convert to fraction form
    13,270,968.28/18,312,768.65 = 7,390,158.08/x
  3. Step 3: Cross multiply
    13,270,968.28x = 18,312,768.65 × 7,390,158.08
  4. Step 4: Simplify right side
    13,270,968.28x = 135,334,255,205,968.19
  5. Step 5: Solve for x
    x = 135,334,255,205,968.19/13,270,968.28
  6. Step 6: Final answer
    x = 10,197,767.97

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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.