Home / 15,408,320.55-21,264,150.77-8,532,802.62

Finding the Fourth Proportional to 15,408,320.55, 21,264,150.77 and 8,532,802.62

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Solution

The fourth proportional to 15,408,320.55, 21,264,150.77 and 8,532,802.62 is: 11,775,637.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408,320.55 : 21,264,150.77 = 8,532,802.62 : x
  2. Step 2: Convert to fraction form
    15,408,320.55/21,264,150.77 = 8,532,802.62/x
  3. Step 3: Cross multiply
    15,408,320.55x = 21,264,150.77 × 8,532,802.62
  4. Step 4: Simplify right side
    15,408,320.55x = 181,442,801,319,862.47
  5. Step 5: Solve for x
    x = 181,442,801,319,862.47/15,408,320.55
  6. Step 6: Final answer
    x = 11,775,637.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.