Home / 18,404,132.67-25,396,547.63-10,143,740.39

Finding the Fourth Proportional to 18,404,132.67, 25,396,547.63 and 10,143,740.39

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Solution

The fourth proportional to 18,404,132.67, 25,396,547.63 and 10,143,740.39 is: 13,997,724.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,404,132.67 : 25,396,547.63 = 10,143,740.39 : x
  2. Step 2: Convert to fraction form
    18,404,132.67/25,396,547.63 = 10,143,740.39/x
  3. Step 3: Cross multiply
    18,404,132.67x = 25,396,547.63 × 10,143,740.39
  4. Step 4: Simplify right side
    18,404,132.67x = 257,615,985,783,288.34
  5. Step 5: Solve for x
    x = 257,615,985,783,288.34/18,404,132.67
  6. Step 6: Final answer
    x = 13,997,724.88

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1.5x scale

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.