Home / 20,649,038.35-30,945,656.02-7,862,567.89

Finding the Fourth Proportional to 20,649,038.35, 30,945,656.02 and 7,862,567.89

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Solution

The fourth proportional to 20,649,038.35, 30,945,656.02 and 7,862,567.89 is: 11,783,227.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,649,038.35 : 30,945,656.02 = 7,862,567.89 : x
  2. Step 2: Convert to fraction form
    20,649,038.35/30,945,656.02 = 7,862,567.89/x
  3. Step 3: Cross multiply
    20,649,038.35x = 30,945,656.02 × 7,862,567.89
  4. Step 4: Simplify right side
    20,649,038.35x = 243,312,321,357,837.19
  5. Step 5: Solve for x
    x = 243,312,321,357,837.19/20,649,038.35
  6. Step 6: Final answer
    x = 11,783,227.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.