Home / 42,970,797.48-64,458,337.05-12,269,931.24

Finding the Fourth Proportional to 42,970,797.48, 64,458,337.05 and 12,269,931.24

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Solution

The fourth proportional to 42,970,797.48, 64,458,337.05 and 12,269,931.24 is: 18,405,508.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,970,797.48 : 64,458,337.05 = 12,269,931.24 : x
  2. Step 2: Convert to fraction form
    42,970,797.48/64,458,337.05 = 12,269,931.24/x
  3. Step 3: Cross multiply
    42,970,797.48x = 64,458,337.05 × 12,269,931.24
  4. Step 4: Simplify right side
    42,970,797.48x = 790,899,363,448,244.38
  5. Step 5: Solve for x
    x = 790,899,363,448,244.38/42,970,797.48
  6. Step 6: Final answer
    x = 18,405,508.16

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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.