Home / 28,002,058.40-42,003,087.60-23,219,089.40

Finding the Fourth Proportional to 28,002,058.40, 42,003,087.60 and 23,219,089.40

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Solution

The fourth proportional to 28,002,058.40, 42,003,087.60 and 23,219,089.40 is: 34,828,634.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,002,058.40 : 42,003,087.60 = 23,219,089.40 : x
  2. Step 2: Convert to fraction form
    28,002,058.40/42,003,087.60 = 23,219,089.40/x
  3. Step 3: Cross multiply
    28,002,058.40x = 42,003,087.60 × 23,219,089.40
  4. Step 4: Simplify right side
    28,002,058.40x = 975,273,446,060,431.38
  5. Step 5: Solve for x
    x = 975,273,446,060,431.38/28,002,058.40
  6. Step 6: Final answer
    x = 34,828,634.10

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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.