Home / 20,355,078.10-30,532,617.15-9,017,670.10

Finding the Fourth Proportional to 20,355,078.10, 30,532,617.15 and 9,017,670.10

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Solution

The fourth proportional to 20,355,078.10, 30,532,617.15 and 9,017,670.10 is: 13,526,505.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,355,078.10 : 30,532,617.15 = 9,017,670.10 : x
  2. Step 2: Convert to fraction form
    20,355,078.10/30,532,617.15 = 9,017,670.10/x
  3. Step 3: Cross multiply
    20,355,078.10x = 30,532,617.15 × 9,017,670.10
  4. Step 4: Simplify right side
    20,355,078.10x = 275,333,068,748,302.19
  5. Step 5: Solve for x
    x = 275,333,068,748,302.19/20,355,078.10
  6. Step 6: Final answer
    x = 13,526,505.15

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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.