Home / 9,480,921.68-13,083,635.76-5,130,016.40

Finding the Fourth Proportional to 9,480,921.68, 13,083,635.76 and 5,130,016.40

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Solution

The fourth proportional to 9,480,921.68, 13,083,635.76 and 5,130,016.40 is: 7,079,403.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,480,921.68 : 13,083,635.76 = 5,130,016.40 : x
  2. Step 2: Convert to fraction form
    9,480,921.68/13,083,635.76 = 5,130,016.40/x
  3. Step 3: Cross multiply
    9,480,921.68x = 13,083,635.76 × 5,130,016.40
  4. Step 4: Simplify right side
    9,480,921.68x = 67,119,266,020,426.47
  5. Step 5: Solve for x
    x = 67,119,266,020,426.47/9,480,921.68
  6. Step 6: Final answer
    x = 7,079,403.07

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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.