Home / 28,343,221.60-42,483,339.60-15,572,891.20

Finding the Fourth Proportional to 28,343,221.60, 42,483,339.60 and 15,572,891.20

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Solution

The fourth proportional to 28,343,221.60, 42,483,339.60 and 15,572,891.20 is: 23,342,033.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,343,221.60 : 42,483,339.60 = 15,572,891.20 : x
  2. Step 2: Convert to fraction form
    28,343,221.60/42,483,339.60 = 15,572,891.20/x
  3. Step 3: Cross multiply
    28,343,221.60x = 42,483,339.60 × 15,572,891.20
  4. Step 4: Simplify right side
    28,343,221.60x = 661,588,425,403,451.50
  5. Step 5: Solve for x
    x = 661,588,425,403,451.50/28,343,221.60
  6. Step 6: Final answer
    x = 23,342,033.41

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1.5x scale

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.