Home / 28,753,721.60-43,130,582.40-26,402,259.20

Finding the Fourth Proportional to 28,753,721.60, 43,130,582.40 and 26,402,259.20

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Solution

The fourth proportional to 28,753,721.60, 43,130,582.40 and 26,402,259.20 is: 39,603,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,753,721.60 : 43,130,582.40 = 26,402,259.20 : x
  2. Step 2: Convert to fraction form
    28,753,721.60/43,130,582.40 = 26,402,259.20/x
  3. Step 3: Cross multiply
    28,753,721.60x = 43,130,582.40 × 26,402,259.20
  4. Step 4: Simplify right side
    28,753,721.60x = 1,138,744,815,971,758
  5. Step 5: Solve for x
    x = 1,138,744,815,971,758/28,753,721.60
  6. Step 6: Final answer
    x = 39,603,388.80

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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.