Home / 15,363,403.60-21,201,249.65-8,393,931.53

Finding the Fourth Proportional to 15,363,403.60, 21,201,249.65 and 8,393,931.53

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Solution

The fourth proportional to 15,363,403.60, 21,201,249.65 and 8,393,931.53 is: 11,583,490.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,363,403.60 : 21,201,249.65 = 8,393,931.53 : x
  2. Step 2: Convert to fraction form
    15,363,403.60/21,201,249.65 = 8,393,931.53/x
  3. Step 3: Cross multiply
    15,363,403.60x = 21,201,249.65 × 8,393,931.53
  4. Step 4: Simplify right side
    15,363,403.60x = 177,961,837,986,934.41
  5. Step 5: Solve for x
    x = 177,961,837,986,934.41/15,363,403.60
  6. Step 6: Final answer
    x = 11,583,490.39

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1.5x scale

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.