Home / 20,632,002.08-28,472,457.02-11,340,430.75

Finding the Fourth Proportional to 20,632,002.08, 28,472,457.02 and 11,340,430.75

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Solution

The fourth proportional to 20,632,002.08, 28,472,457.02 and 11,340,430.75 is: 15,649,956.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,632,002.08 : 28,472,457.02 = 11,340,430.75 : x
  2. Step 2: Convert to fraction form
    20,632,002.08/28,472,457.02 = 11,340,430.75/x
  3. Step 3: Cross multiply
    20,632,002.08x = 28,472,457.02 × 11,340,430.75
  4. Step 4: Simplify right side
    20,632,002.08x = 322,889,927,096,549.81
  5. Step 5: Solve for x
    x = 322,889,927,096,549.81/20,632,002.08
  6. Step 6: Final answer
    x = 15,649,956.12

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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.