Home / 14,178,625.20-21,293,598.60-12,415,028.40

Finding the Fourth Proportional to 14,178,625.20, 21,293,598.60 and 12,415,028.40

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Solution

The fourth proportional to 14,178,625.20, 21,293,598.60 and 12,415,028.40 is: 18,645,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178,625.20 : 21,293,598.60 = 12,415,028.40 : x
  2. Step 2: Convert to fraction form
    14,178,625.20/21,293,598.60 = 12,415,028.40/x
  3. Step 3: Cross multiply
    14,178,625.20x = 21,293,598.60 × 12,415,028.40
  4. Step 4: Simplify right side
    14,178,625.20x = 264,360,631,357,200.28
  5. Step 5: Solve for x
    x = 264,360,631,357,200.28/14,178,625.20
  6. Step 6: Final answer
    x = 18,645,011.60

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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.