Home / 28,077,722.40-42,069,344.40-26,377,111.20

Finding the Fourth Proportional to 28,077,722.40, 42,069,344.40 and 26,377,111.20

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Solution

The fourth proportional to 28,077,722.40, 42,069,344.40 and 26,377,111.20 is: 39,521,288.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,077,722.40 : 42,069,344.40 = 26,377,111.20 : x
  2. Step 2: Convert to fraction form
    28,077,722.40/42,069,344.40 = 26,377,111.20/x
  3. Step 3: Cross multiply
    28,077,722.40x = 42,069,344.40 × 26,377,111.20
  4. Step 4: Simplify right side
    28,077,722.40x = 1,109,667,775,349,897.25
  5. Step 5: Solve for x
    x = 1,109,667,775,349,897.25/28,077,722.40
  6. Step 6: Final answer
    x = 39,521,288.78

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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.