Home / 20,702,978.54-31,060,228.93-9,032,371.18

Finding the Fourth Proportional to 20,702,978.54, 31,060,228.93 and 9,032,371.18

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Solution

The fourth proportional to 20,702,978.54, 31,060,228.93 and 9,032,371.18 is: 13,551,070.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,702,978.54 : 31,060,228.93 = 9,032,371.18 : x
  2. Step 2: Convert to fraction form
    20,702,978.54/31,060,228.93 = 9,032,371.18/x
  3. Step 3: Cross multiply
    20,702,978.54x = 31,060,228.93 × 9,032,371.18
  4. Step 4: Simplify right side
    20,702,978.54x = 280,547,516,531,302.72
  5. Step 5: Solve for x
    x = 280,547,516,531,302.72/20,702,978.54
  6. Step 6: Final answer
    x = 13,551,070.25

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