Home / 28,354,991.90-42,438,009.45-26,087,510.30

Finding the Fourth Proportional to 28,354,991.90, 42,438,009.45 and 26,087,510.30

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Solution

The fourth proportional to 28,354,991.90, 42,438,009.45 and 26,087,510.30 is: 39,044,342.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,354,991.90 : 42,438,009.45 = 26,087,510.30 : x
  2. Step 2: Convert to fraction form
    28,354,991.90/42,438,009.45 = 26,087,510.30/x
  3. Step 3: Cross multiply
    28,354,991.90x = 42,438,009.45 × 26,087,510.30
  4. Step 4: Simplify right side
    28,354,991.90x = 1,107,102,008,638,372.50
  5. Step 5: Solve for x
    x = 1,107,102,008,638,372.50/28,354,991.90
  6. Step 6: Final answer
    x = 39,044,342.26

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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.