Home / 28,728,123.20-43,092,184.80-9,559,505.60

Finding the Fourth Proportional to 28,728,123.20, 43,092,184.80 and 9,559,505.60

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Solution

The fourth proportional to 28,728,123.20, 43,092,184.80 and 9,559,505.60 is: 14,339,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728,123.20 : 43,092,184.80 = 9,559,505.60 : x
  2. Step 2: Convert to fraction form
    28,728,123.20/43,092,184.80 = 9,559,505.60/x
  3. Step 3: Cross multiply
    28,728,123.20x = 43,092,184.80 × 9,559,505.60
  4. Step 4: Simplify right side
    28,728,123.20x = 411,939,981,911,834.81
  5. Step 5: Solve for x
    x = 411,939,981,911,834.81/28,728,123.20
  6. Step 6: Final answer
    x = 14,339,258.40

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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.