Home / 14,520,085.60-21,780,128.40-9,730,069.60

Finding the Fourth Proportional to 14,520,085.60, 21,780,128.40 and 9,730,069.60

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Solution

The fourth proportional to 14,520,085.60, 21,780,128.40 and 9,730,069.60 is: 14,595,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520,085.60 : 21,780,128.40 = 9,730,069.60 : x
  2. Step 2: Convert to fraction form
    14,520,085.60/21,780,128.40 = 9,730,069.60/x
  3. Step 3: Cross multiply
    14,520,085.60x = 21,780,128.40 × 9,730,069.60
  4. Step 4: Simplify right side
    14,520,085.60x = 211,922,165,228,936.62
  5. Step 5: Solve for x
    x = 211,922,165,228,936.62/14,520,085.60
  6. Step 6: Final answer
    x = 14,595,104.40

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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.