Home / 28,018,941.40-42,028,412.10-23,235,972.40

Finding the Fourth Proportional to 28,018,941.40, 42,028,412.10 and 23,235,972.40

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Solution

The fourth proportional to 28,018,941.40, 42,028,412.10 and 23,235,972.40 is: 34,853,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,018,941.40 : 42,028,412.10 = 23,235,972.40 : x
  2. Step 2: Convert to fraction form
    28,018,941.40/42,028,412.10 = 23,235,972.40/x
  3. Step 3: Cross multiply
    28,018,941.40x = 42,028,412.10 × 23,235,972.40
  4. Step 4: Simplify right side
    28,018,941.40x = 976,571,023,571,426
  5. Step 5: Solve for x
    x = 976,571,023,571,426/28,018,941.40
  6. Step 6: Final answer
    x = 34,853,958.60

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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.